feat: 完善client相关功能 重构server部分

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/websocket/src/engine.io-client/index.ts

@@ -0,0 +1,16 @@
+import { Socket } from './socket'
+
+export default (uri, opts) => new Socket(uri, opts)
+
+/**
+ * Expose deps for legacy compatibility
+ * and standalone browser access.
+ */
+const protocol = Socket.protocol // this is an int
+export { Socket, protocol }
+// module.exports.Transport = require("./transport")
+// module.exports.transports = require("./transports/index")
+// module.exports.parser = require("../engine.io-parser")
+export * from './transport'
+export * from './transports/index'
+export * from '../engine.io-parser'