feat: server sdk (#47)

* New webrtc build scripts (Still not integrated within the SDK)
* New livekit-api crate (Integrate the server sdk protocol of livekit)
* Moved livekit-utils to livekit-protocol

livekit-api/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "livekit-api"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+jsonwebtoken = {version = "8", default-features = false }
+thiserror = "1.0"
+serde = {version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+livekit-protocol = { path = "../livekit-protocol", version = "0.1.0" }
+sha2 = "0.10.6"
+reqwest = { version = "0.11", features=["json"] }
+url = "2.3.1"
+prost = "0.11.9"