feat: add publishing & audio to ffi (#46)

- Divide FFI protocol into multiple files
- Audio support
- AV Streams/Sources
- Create tracks
- Use Dashmap to store handles
- Add a capture test
     - Ignored by GHA atm

livekit-ffi/Cargo.toml

@@ -16,9 +16,17 @@ prost-types = "0.11.1"
 lazy_static = "1.4.0"
 thiserror = "1.0.38"
 futures-util = "0.3.23"
+log = "0.4.17"
+dashmap = "5.4.0"
 
 [build-dependencies]
 prost-build = { version = "0.11.1" }
 
+[dev-dependencies]
+livekit-api = { path = "../livekit-api", version = "0.1.0" }
+
 [lib]
 crate-type = ["cdylib", "staticlib"]
+
+[profile.release]
+opt-level = "z"