Add .github issue templates & configurations

.github/FUNDING.yml

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+github: gnmyt
+ko_fi: gnmyt

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: 🐛 Report a Bug
+description:  Report a bug or issue in Nexterm
+title: "[Bug] "
+labels: ["bug"]
+body:
+  - type: checkboxes
+    attributes:
+      label: General
+      description: Please confirm the following statements
+      options:
+        - label: I have updated to the latest version of Nexterm.
+          required: true
+        - label: My bug has not been reported yet.
+          required: true
+  - type: textarea
+    attributes:
+      label: The Bug
+      description: Describe the bug/issue in detail. If possible, include screenshots and provide steps to reproduce the error.
+      placeholder: An error occurs when ...
+    validations:
+      required: true
+  - type: dropdown
+    id: browsers
+    attributes:
+      label: What device are you using to access the page?
+      multiple: true
+      options:
+        - In the browser
+        - On mobile
+        - On a tablet
+    validations:
+      required: true
+  - type: dropdown
+    id: server
+    attributes:
+      label: Which operating system is your Nexterm instance running on?
+      multiple: true
+      options:
+        - Linux
+        - Windows
+        - macOS
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: 💡 Suggest idea
+description:  Do you have an idea? You're in the right place
+title: "[Feature] "
+labels: ["enhancement"]
+body:
+  - type: checkboxes
+    attributes:
+      label: General
+      description: Please confirm the following statements
+      options:
+        - label: My feature does not exist in the latest version of Nexterm.
+          required: true
+        - label: I have checked that my feature has not been suggested by anyone else.
+          required: true
+  - type: textarea
+    attributes:
+      label: Your Idea
+      description: What can we add? Describe your idea as precisely as possible.
+      placeholder: My idea would be to ...
+    validations:
+      required: true

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'daily'
+  - package-ecosystem: 'npm'
+    directory: '/client'
+    schedule:
+      interval: 'daily'