TVM WebSocket RPC Server
    To use this page
    
      - Run "make" and "npm run bundle" to create the libraries.
- 
        run "python -m tvm.exec.rpc_proxy --example-rpc=1" to start proxy.
      
- Click Connect to proxy.
- run "python tests/python/websock_rpc_test.py" to run the rpc client.
Options
    Proxy URL
    RPC Server Key