message: docs: tweak proxying docs
diff: @@ -23,7 +23,7 @@ const proxyEnv = useHotMemoize(module, () => createEnv('proxy'));
  const service = createServiceBuilder(module)
  .loadConfig(configReader)
  /** ... other routers ... */
  - .addRouter('/proxy', await proxy(proxyEnv, '/proxy'));
  + .addRouter('/proxy', await proxy(proxyEnv));
  ```
  ## Configuration
  