chore(templates): update issue templates with labels

Added default labels for bug reports and feature requests to improve
issue categorization. Introduced a new template for stylistic issues
to enhance code consistency and readability. This helps streamline
issue triaging and encourages adherence to the project's style guide.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a report to help us improve
 title: ''
-labels: ''
+labels: 'bug'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Suggest an idea for this project
 title: ''
-labels: ''
+labels: 'enhancement'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/style.md

@@ -0,0 +1,56 @@
+---
+name: "Stylistic Issue"
+about: Report an inconsistency or improvement related to code style or formatting.
+title: "[STYLE] Brief description of the stylistic issue"
+labels: 'style'
+assignees: ''
+
+---
+
+## Description
+
+<!-- Provide a clear and concise description of the stylistic issue you are facing. 
+Add context or background if necessary. -->
+
+## Location
+
+<!-- Identify where the stylistic issue is in the codebase. 
+Include file paths, line numbers, or relevant links if possible. -->
+
+- File: `path/to/file`
+- Line number(s): `line_number(s)`
+
+## Expected Style
+
+<!-- Describe the expected style or formatting according to the project's guidelines. 
+Link to the style guide or any relevant documentation if available. -->
+
+## Current Style
+
+<!-- Describe how the code currently appears and how it deviates from the expected style. 
+Providing a code snippet can be helpful. -->
+
+## Additional Context
+
+<!-- Add any other information or screenshots that could help with understanding the issue. -->
+
+## Suggestions for Improvement
+
+<!-- If you have ideas or suggestions for how to resolve the stylistic issue, 
+please share them here. Consider referencing examples or resources. -->
+
+## Environment
+
+<!-- If the issue is specific to a certain environment, please include details such as: 
+operating system, IDE/editor, language versions, etc. -->
+
+## Checklist
+
+- [ ] I have checked if this style is mentioned in the project's style guide.
+- [ ] I have checked previous issues for similar stylistic concerns.
+
+---
+
+<!-- Note for contributors:
+Thank you for helping us maintain and improve the project's consistency and readability. 
+Your input is valuable in making the codebase more accessible and maintainable. -->