Allow setting websocket buffers sizes internally.

Needed by LSP.

modules/websocket/lws_server.h

@@ -52,6 +52,7 @@ private:
 	int _out_pkt_size;
 
 public:
+	Error set_buffers(int p_in_buffer, int p_in_packets, int p_out_buffer, int p_out_packets);
 	Error listen(int p_port, PoolVector<String> p_protocols = PoolVector<String>(), bool gd_mp_api = false);
 	void stop();
 	bool is_listening() const;