Add: Google Analytics code

Fix: chocomae.url
Fix: disable php error output - add_maestro.php

src/web/main/close_server.html

@@ -5,6 +5,17 @@
 	<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
 	<meta charset="UTF-8">
 
+	<!-- Global site tag (gtag.js) - Google Analytics -->
+	<script async src="https://www.googletagmanager.com/gtag/js?id=G-CMCJ6N220"></script>
+	<script>
+		window.dataLayer = window.dataLayer || [];
+		function gtag(){window.dataLayer.push(arguments);}
+		gtag('js', new Date());
+
+		gtag('config', 'G-CMCJ6N2208');
+	</script>
+
+
 	<title>서버 종료 알림 | 초코마에</title>
 	<meta name="description" CONTENT="서버 종료 알림 | 초코마에 ‧ 서버 종료 | ChocoMae">