Fix "websocket" example's readme, and make binary names unique (#45)

Give each example binary a unique name.

This should allow running cargo run --bin in the root directory.

websocket/Cargo.toml

@@ -5,11 +5,11 @@ authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 workspace = "../"
 
 [[bin]]
-name = "server"
+name = "websocket-server"
 path = "src/main.rs"
 
 [[bin]]
-name = "client"
+name = "websocket-client"
 path = "src/client.rs"
 
 [dependencies]

websocket/README.md

@@ -8,7 +8,7 @@ Simple echo websocket server.
 
 ```bash
 cd examples/websocket
-cargo run
+cargo run --bin websocket-server
 # Started http server: 127.0.0.1:8080
 ```
 
@@ -16,6 +16,13 @@ cargo run
 
 - [http://localhost:8080/ws/index.html](http://localhost:8080/ws/index.html)
 
+### rust client
+
+```bash
+cd examples/websocket
+cargo run --bin websocket-client
+```
+
 ### python client
 
 - ``pip install aiohttp``