Initial commit: ReTeamSpeak cross-platform TeamSpeak client

- tscore: Protocol implementation (packets, crypto, connection handshake)
- tsaudio: Audio engine (capture, playback, codec, VAD, jitter buffer)
- tsdb: SQLite database (identities, bookmarks, messages, settings)
- shared: Core types and events
- tauri-app: Tauri v2 desktop application with React frontend
- docs: SRS, SAD, SDD documentation
- CI/CD: GitHub Actions workflow
- 32 unit tests passing

src/.gitignore

@@ -0,0 +1,39 @@
+# Rust
+target/
+**/*.rs.bk
+Cargo.lock
+
+# Node
+node_modules/
+dist/
+
+# Build
+build/
+*.exe
+*.dll
+*.so
+*.dylib
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Tauri
+src/tauri-app/src-tauri/gen/
+
+# Database
+*.db
+*.db-shm
+*.db-wal
+
+# Logs
+*.log
+
+# Temp
+temp/