Update pull_request_template.md

Overhaul

.github/pull_request_template.md

@@ -2,14 +2,19 @@
 
 - [ ] **Description:** Briefly describe the changes in this pull request.
 - [ ] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description.
-- [ ] **Documentation:** Have you updated relevant documentation?
+- [ ] **Documentation:** Have you updated relevant documentation, including [README](https://github.com/open-webui/open-webui/blob/main/README.md), [Open WebUI Docs](https://docs.openwebui.com/), or other documentation sources?
 - [ ] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation?
+- [ ] **Testing:** Have you written and run sufficient tests for the changes?
+- [ ] **Code Review:** Have you self-reviewed your code and addressed any coding standard issues?
 
 ---
 
 ## Description
 
-[Insert a brief description of the changes made in this pull request]
+[Insert a brief description of the changes made in this pull request, including any relevant background or motivation. Consider including answers to the following questions:
+* What problem does this PR solve?
+* How does it improve the project or fix an issue?
+* What changes were made to achieve this outcome?]
 
 ---
 
@@ -17,16 +22,36 @@
 
 ### Added
 
-- [List any new features or additions]
+- [List any new features, functionalities, or additions, including any breaking changes]
 
 ### Fixed
 
-- [List any fixes or corrections]
+- [List any fixes or corrections, including bug fixes, typo fixes, or other corrections]
 
 ### Changed
 
-- [List any changes or updates]
+- [List any changes or updates, including refactorings, optimizations, or other modifications]
 
 ### Removed
 
-- [List any removed features or files]
+- [List any removed features, files, or deprecated functionalities]
+
+### Deprecated
+
+- [List any deprecated features, functions, or APIs]
+
+### Security
+
+- [List any security-related changes, including vulnerability fixes or security enhancements]
+
+### Breaking Changes
+
+- [List any breaking changes, including changes that may affect existing functionality or compatibility]
+
+---
+
+### Additional Information
+
+* [Insert any additional context, notes, or explanations for the changes]
+
+* [Mention any related issues, commits, or other references]