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/Cargo.toml

@@ -0,0 +1,56 @@
+[workspace]
+resolver = "2"
+members = [
+    "tscore",
+    "tsaudio", 
+    "tsdb",
+    "shared",
+]
+
+[workspace.package]
+version = "1.0.0"
+edition = "2021"
+license = "MIT OR Apache-2.0"
+authors = ["ReTeamspeak"]
+repository = "https://github.com/re-teamspeak/re-teamspeak"
+
+[workspace.dependencies]
+tokio = { version = "1", features = ["full"] }
+futures = "0.3"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+toml = "0.8"
+thiserror = "1"
+anyhow = "1"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+
+aes = "0.8"
+eax = "0.5"
+sha1 = "0.10"
+sha2 = "0.10"
+p256 = { version = "0.13", features = ["ecdh"] }
+curve25519-dalek-ng = "4"
+num-bigint = "0.4"
+
+quicklz = "0.1"
+
+opus = "0.3"
+cpal = "0.15"
+
+rusqlite = { version = "0.31", features = ["bundled"] }
+
+hickory-resolver = "0.24"
+reqwest = { version = "0.11", features = ["json"] }
+
+base64 = "0.21"
+hex = "0.4"
+uuid = { version = "1", features = ["v4"] }
+chrono = { version = "0.4", features = ["serde"] }
+url = "2"
+rand = "0.8"
+
+tscore = { path = "tscore" }
+tsaudio = { path = "tsaudio" }
+tsdb = { path = "tsdb" }
+shared = { path = "shared" }