Add meta tag for bootstrap

frontend/index.html

@@ -4,6 +4,7 @@
 		<meta charset="utf-8">
 		<title fp-title="padName + ' – FacilPad'">FacilPad</title>
 		<meta name="robots" content="index,nofollow" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0">
 		<link rel="shortcut icon" href="assets/img/favicon.png">
 		<link rel="stylesheet" href="build/all.css">
 		<style type="text/css">