chore: set default PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,49 @@
+---
+name: Pull Request
+about: Submit changes to the project for review and inclusion
+---
+
+## Description
+
+<!--- Describe the changes introduced by this pull request. -->
+<!--- Explain what problem it solves or what feature/fix it adds. -->
+
+## Related Issue
+
+<!--- If this pull request is related to a specific issue, reference it here using #issue_number. -->
+<!--- For example, "Fixes #123" or "Addresses #456". -->
+
+## Changes Made
+
+<!--- Provide a summary of the changes made in this pull request. -->
+<!--- Include any relevant technical details or architecture changes. -->
+
+- Change 1
+- Change 2
+- ...
+
+## Testing Performed
+
+<!--- Describe the testing that you have performed to validate these changes. -->
+<!--- Include information about test cases, testing environments, and results. -->
+
+- Tested feature X in scenario Y.
+- Ran unit tests for component Z.
+- Tested on browsers A, B, and C.
+- ...
+
+## Checklist
+
+<!--- Please check the boxes that apply to this pull request. -->
+<!--- You can add or remove items as needed. -->
+
+- [ ] I have tested these changes locally and they work as expected.
+- [ ] I have added/updated tests that prove the effectiveness of these changes.
+- [ ] I have updated the documentation to reflect these changes, if applicable.
+- [ ] I have followed the project's coding style guidelines.
+- [ ] I have addressed the code review feedback from the previous submission, if applicable.
+
+## Additional Notes
+
+<!--- Provide any additional context or notes for the reviewers. -->
+<!--- This might include details about design decisions, potential concerns, or anything else relevant. -->