Update GPLv2 text, Add feature request template.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,57 @@
+---
+name: Feature request
+about: Suggest an improvement for ZoiteChat
+title: "[Feature]: "
+labels: enhancement
+assignees: ""
+---
+
+## Summary
+
+```text
+Describe the feature or enhancement clearly and briefly.
+```
+
+## Problem
+
+```text
+What problem would this solve?
+```
+
+## Proposed Solution
+
+```text
+How should ZoiteChat behave?
+```
+
+## Alternatives Considered
+
+```text
+Other approaches or workarounds you considered.
+```
+
+## Use Case
+
+```text
+Who benefits from this, and when would they use it?
+```
+
+## Platform Details
+
+```text
+OS:
+ZoiteChat version:
+Build/source: GitHub release / Fedora package / source build / Windows installer / other
+```
+
+## Checklist
+
+* [ ] I searched existing issues first.
+* [ ] I checked whether this already exists in the latest ZoiteChat version available to me.
+* [ ] I explained the problem this would solve.
+
+## Extra Notes
+
+```text
+Anything else that might help.
+```