More config support, More shell args support

• All server config merged in websocket/config/params.php
• More args support for portal shell

./websocket-server start|restart|reload|stop|status

e.g.

./websocket-server status
master_pid=7404
start_time=1554030075
connection_num=130
accept_count=1025767
close_count=1025637
tasking_num=123
request_count=2051456
worker_request_count=511103
coroutine_num=2

Hook support

Easy way to trigger swoole async task from Yii Web application

Yii::$app->hook->run('room/msg', ['id' => 100111, 'content' => 'System warning!'])

v1.01

update, fixed bugs, add comments

v1.0

Update README.md