feat: video publishing (#42)

- Prepare webrtc abstraction ( for future wasm support )
- Added track publish support for videos
  - Added LogoTrack example to simple_room demo
- Lot of cleanup
- There are compiler warnings I'll solve on our v1 release

livekit-webrtc/Cargo.toml

@@ -8,12 +8,35 @@ description = "Livekit safe bindings to libwebrtc"
 repository = "https://github.com/livekit/client-sdk-rust" 
 
 [dependencies]
-webrtc-sys = { path = "../webrtc-sys", version = "0.1.1" }
 livekit-utils = { path = "../livekit-utils", version = "0.1.1" }
-tokio = { version = "1", features = ["full"] }
-cxx = "1.0"
 log = "0.4"
 thiserror = "1.0"
 
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+webrtc-sys = { path = "../webrtc-sys", version = "0.1.1" }
+futures = { version = "0.3" }
+tokio = { version = "1.26.0", features = ["full"] }
+cxx = "1.0"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+wasm-bindgen = "0.2.84"
+js-sys = "0.3"
+wasm-bindgen-futures = "0.4.34"
+web-sys = { version = "0.3.22", features=[
+  "MessageEvent",
+  "RtcPeerConnection",
+  "RtcSignalingState",
+  "RtcSdpType",
+  "RtcSessionDescriptionInit",
+  "RtcPeerConnectionIceEvent",
+  "RtcIceCandidate",
+  "RtcDataChannel",
+  "RtcDataChannelEvent",
+  "RtcDataChannelState",
+  "EventTarget",
+  "WebGlRenderingContext",
+  "WebGlTexture",
+] }
+
 [dev-dependencies]
 env_logger = "0.9"