add favicon to upload app

rest/templates/form-open.tpl

@@ -35,6 +35,7 @@ form {
     </style>
     <title>{{tool.title()}}</title>
     <link rel="manifest" href="/static/{{tool}}-manifest.json"/>
+    <link rel="icon" href="/static/{{tool}}-favicon.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/purecss@2.1.0/build/pure-min.css" integrity="sha384-yHIFVG6ClnONEA5yB5DJXfW2/KC173DIQrYoZMEtBvGzmf0PKiGyNEqe9N6BNDBH" crossorigin="anonymous"/>
     <link rel="stylesheet" href="https://shandan.one/css/grids-responsive-min.css"/>

rest/templates/upload.tpl

@@ -38,6 +38,7 @@ object.text {
     <title>Upload</title>
     <link rel="manifest" href="/static/upload-manifest.json"/>
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
+    <link rel="icon" href="/static/upload-favicon.png" />
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/purecss@2.1.0/build/pure-min.css" integrity="sha384-yHIFVG6ClnONEA5yB5DJXfW2/KC173DIQrYoZMEtBvGzmf0PKiGyNEqe9N6BNDBH" crossorigin="anonymous"/>
     <link rel="stylesheet" href="https://shandan.one/css/grids-responsive-min.css"/>
     <link rel="stylesheet" href="https://shandan.one/css/responsive-visibility-collapse.css"/>