issue #10 HDMI입력시 화면 전환 기능 추가. Welcome에서 MQTT메시지 처리 로직 추가.

procentric/application/wellcome.html

@@ -6,6 +6,7 @@
     <link rel="stylesheet" href="./css/owlcarousel/owl.carousel.min.css">
     <link rel="stylesheet" href="./css/owlcarousel/owl.theme.default.min.css">
     <link rel="stylesheet" href="hoteltv.ui_utils.css">
+    <link rel="stylesheet" href="hoteltv.error.css">
     <link rel="stylesheet" href="hoteltv.welcome.css">
     <title>CENTIRM LG-PROCENTRIC HOTEL SERVICE</title>
 </head>
@@ -86,6 +87,9 @@
 <script src="./lib/hoteltv.hcap.js"></script>
 <script src="./lib/hoteltv.api.js"></script>
 
+<!-- MQTT Library -->
+<script src="./lib/mqtt.min.js"></script>
+
 <script>
     window.addEventListener('cached', function() {