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

.github/workflows/builds.yml

@@ -36,6 +36,11 @@ jobs:
           rustup update --no-self-update stable
           rustup target add ${{ matrix.target }}
 
+      - if: ${{ matrix.target == 'aarch64-pc-windows-msvc' }}
+        run: |
+          echo "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\Llvm\x64\bin" >> $GITHUB_PATH
+        shell: bash
+
       - uses: actions/checkout@v3
         with:
           submodules: true