Set favicon for login page
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/static/style.css">
<title>Portier &ndash; {{ title }} {{ display_origin }}</title>
+ <link rel="icon" type="image/svg+xml" href="/static/portier_p.svg">
</head>
<body>
<div class="container">
