feat: add meeting transcription app scaffolding

- Add Python backend structure with FastAPI for transcription/summarization
- Add React UI with audio recording, transcript, and summary views
- Configure Tauri to manage Python backend lifecycle
- Set up Windows cross-compilation with cargo-xwin
- Add Gitea CI workflow for lint, test, and multi-platform builds
- Configure ESLint, Prettier, and Vitest for code quality

Note: App scaffolding only - Python env and models not yet set up

.gitea/issue_template/other.yml

@@ -1,6 +1,6 @@
 name: ❓ Other Issue
 description: I have something that is neither a bug nor a feature request.
-title: '[OTHER] - '
+title: "[OTHER] - "
 labels:
   - "status/awaiting triage"
 body: