feat. server on -> all of mqtt client on

@@ -5,6 +5,7 @@ const bodyparser = require('koa-bodyparser');
 const Mongoose = require('mongoose');
 const api = require('./src/api');
 const updateMedicineInfo = require('./src/lib/UpdatingMedicineInfo');
+const MqttServer = require('./src/util/MqttServer');
 
 require('dotenv').config();
 const { SERVER_PORT, MONGO_URL } = process.env;
@@ -31,4 +32,5 @@ app.use(router.routes()).use(router.allowedMethods());
 
 app.listen(SERVER_PORT, () => {
     console.log('\x1b[1;36mPORT : ', SERVER_PORT, 'is connected\x1b[0m');
+    MqttServer.on();
 })
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