Create pull request template

Added a pull request template for better PR submissions.

.github/pull_request_template.md

@@ -0,0 +1,23 @@
+# Overview
+_Short summary of what this PR does_
+- [ ] Added: ...
+- [ ] Updated: ...
+- [ ] Removed: ...
+- [ ] Fixed: ...
+
+# Changes Made
+_Detailed explanation of changes (if needed)_
+- ...
+
+# Related Issues
+_Link any issues this PR addresses_
+- Closes #ISSUE_NUMBER  
+- Related to #ISSUE_NUMBER  
+
+# Screenshots / Demos
+_(Optional: add before/after screenshots, GIFs, or console output)_
+
+# Checklist
+- [ ] Code follows project style guidelines  
+- [ ] Supports mobile and desktop UI/app (if applicable)  
+- [ ] I have read [Contributing.md](https://github.com/LukeGus/Termix/blob/main/CONTRIBUTING.md)