Added the Templates for Pull-Request and Issue (#158)

@GarimaSingh0109 Check this and merge this also add a level to it!

.github/ISSUE_TEMPLATE/bug.yml

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+name: 🐞 Bug
+description: Report an issue to help us improve the project.
+title: "[BUG] <write a small description here>"
+labels: ["bug", "goal: fix", "priority: medium"]
+assignees: []
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Briefly describe the issue, what you tried, and what didn't work.
+      placeholder: "Describe the issue in detail..."
+    validations:
+      required: true
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Provide steps to reproduce the issue.
+      placeholder: "1. Go to...\n2. Click on...\n3. See error..."
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: Describe what you expected to happen.
+      placeholder: "What should have happened?"
+    validations:
+      required: true
+  - type: textarea
+    id: actual-behavior
+    attributes:
+      label: Actual Behavior
+      description: Describe what actually happened.
+      placeholder: "What actually happened?"
+    validations:
+      required: true
+  - type: textarea
+    id: additional-info
+    attributes:
+      label: Additional Information
+      description: Any other details or information about the bug.
+      placeholder: "Any other details..."
+    validations:
+      required: false
+  - type: dropdown
+    id: browser
+    attributes:
+      label: Browser
+      multiple: true
+      options:
+        - Firefox
+        - Chrome
+        - Safari
+        - Microsoft Edge
+        - Other
+    validations:
+      required: true
+  - type: checkboxes
+    id: no-duplicate-issues
+    attributes:
+      label: Checklist
+      options:
+        - label: "I have checked the existing [issues](https://github.com/GarimaSingh0109/WasteManagment/issues)."
+          required: true
+        - label: "I have read the [Code Of Conduct](https://github.com/GarimaSingh0109/WasteManagment?tab=coc-ov-file)"
+          required: true
+        - label: "The changes don't break the code"
+          required: true
+        - label: "Please attach screenshots and videos of the development work once done"
+          required: true

.github/ISSUE_TEMPLATE/document.yml

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+name: "Documentation 📋"
+description: "Use this form to present your suggestions on how to improve our documentation"
+title: "[DOCS] <write your suggestion here>"
+labels: ["documentation", "goal: enhancement"]
+
+body:
+  - type: textarea
+    id: docs_description
+    attributes:
+      label: "Issue Description"
+      description: "Please provide a brief summary of the documentation issue you are experiencing or would like to address."
+    validations:
+      required: true
+
+  - type: textarea
+    id: screenshots_examples_docs
+    attributes:
+      label: "Screenshots or Examples (if applicable)"
+      description: "Please include relevant screenshots or examples to help illustrate the problem."
+
+  - type: textarea
+    id: proposed_solution_docs
+    attributes:
+      label: "Proposed Solution (optional)"
+      description: "If you have a proposed solution for the documentation issue, please provide it here. This can be helpful for speeding up the resolution process."
+
+  - type: checkboxes
+    id: terms_checklist_docs
+    attributes:
+      label: "Checklist"
+      description: "By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/GarimaSingh0109/WasteManagment?tab=coc-ov-file)"
+      options:
+        - label: "I have checked the existing [issues](https://github.com/GarimaSingh0109/WasteManagment/issues)."
+          required: true
+        - label: "The changes don't break the code."
+          required: true
+        - label: "Please attach the screenshots and video of the development work once it is done."
+          required: true
+
+  - type: textarea
+    id: additional_comments
+    attributes:
+      label: "Additional Comments (optional)"
+      description: "Any additional comments or information you would like to provide."

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request 💡
+description: Have any new idea or new feature for WasteManagement? Please suggest!
+title: "[Feature] <write a small description here>"
+labels: ["enhancement", "goal: addition", "priority: high"]
+assignees: []
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: A clear and concise description of the feature or alternative solutions you've considered.
+    validations:
+      required: true
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      description: Explain why this feature would be useful and how it benefits the project.
+    validations:
+      required: true
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: Please add screenshots if applicable.
+    validations:
+      required: false
+  - type: textarea
+    id: additional_context
+    attributes:
+      label: Additional Context
+      description: Add any other context or screenshots about the feature request here.
+    validations:
+      required: false
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Checklist
+      options:
+        - label: "I have checked the existing [issues](https://github.com/GarimaSingh0109/WasteManagment/issues)."
+          required: true
+        - label: "I have read the [Code Of Conduct](https://github.com/GarimaSingh0109/WasteManagment?tab=coc-ov-file)."
+          required: true
+        - label: "The changes don't break the code."
+          required: true
+        - label: "I will attach screenshots and videos of the development work once it is done."
+          required: true
+  - type: dropdown
+    id: priority
+    attributes:
+      label: Priority
+      description: Select the priority level for this feature request.
+      options:
+        - "Low"
+        - "Medium"
+        - "High"
+    validations:
+      required: true

.github/pull_request_template.md

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+<!-- Thank you for sending a pull request :heart: -->
+
+## Issues Identification
+
+Closes: #(issue number)
+
+## Description
+
+### Summary
+Provide a brief description of what this pull request does and why it is needed.
+
+### Details
+Include any detailed information about the changes in this pull request.
+
+## Types of Changes
+
+_Please check the boxes that apply_
+
+- [ ] Bugfix (non-breaking change that fixes an issue)
+- [ ] New feature (non-breaking change that adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update (Documentation content changed)
+- [ ] Other (please describe):
+
+## Checklist
+
+_Please check the boxes that apply_
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] My changes do not break the current system and pass all existing test cases
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published in downstream modules
+
+## Screenshots
+
+If applicable, please attach screenshots of the changes made to the user interface.
+
+## Additional Information
+
+Please provide any other information that is relevant to this pull request.
+
+<!-- We're looking forward to merging your contribution!! -->

.github/workflows/greetings.yaml

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+name: Greetings 🐦‍🔥
+on: [pull_request_target, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: "Hi there! Thanks for opening this issue. We appreciate your contribution to this open-source project. We aim to respond or assign your issue as soon as possible."
+        pr-message: "Thank you, ${{ github.actor }}, for creating this pull request and contributing to WasteManagement! 💗\n\n The maintainers will review this Pull Request and provide feedback as soon as possible! 😇\nWe appreciate your patience and contribution, Keep up the great work! 😀"