split example from src

src/example/main.ts → example/main.ts

-import { Client } from '../index';
+import { Client } from '../src/index';
 
 const url = 'ws://127.0.0.1:8081';
 const client = new Client(

webpack.config.js

 
 module.exports = {
     mode: 'development',
-    entry: './src/example/main.ts',
+    entry: './example/main.ts',
     devtool: 'inline-source-map',
     devServer: {
       contentBase: './dist',