feat(gitea): Add CRUD operations for Issues and Pull Requests (#3) (#4)
**Review Summary**
✅ PASS - All CRUD operations implemented correctly
**Issues Fixed:**
- `merge_pull_request` output variable bug (early return)
- Duplicate docstring in `_get_branch`
- Namespace refactor for VeniceInfo (from PR comment feedback)
**Changes in this PR:**
- 9 Issue CRUD functions (get, update, close, reopen, delete, comments)
- 7 PR CRUD functions (get, update, merge, comments)
- Version bumped to 1.4.0
Ready to merge. The code follows existing patterns with proper error handling and confirmation dialogs for destructive operations.
Reviewed-on: #4
xcaliber
dbfeca8271