fix(ui,auth): fix login overlay styles, PWA service worker scope, favicon, and update user config to kopri

app/static/index.html

@@ -13,6 +13,7 @@
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
     <meta name="apple-mobile-web-app-title" content="Notes English">
+    <link rel="icon" type="image/png" href="/static/icons/icon-192.png">
     <link rel="apple-touch-icon" href="/static/icons/icon-192.png">
 </head>
 <body>
@@ -28,7 +29,7 @@
             <form id="login-form" class="login-form">
                 <div class="form-group">
                     <label for="login-username">Имя пользователя</label>
-                    <input type="text" id="login-username" class="input-styled" autocomplete="username" required autofocus placeholder="admin">
+                    <input type="text" id="login-username" class="input-styled" autocomplete="username" required autofocus placeholder="kopri">
                 </div>
 
                 <div class="form-group">
@@ -43,13 +44,13 @@
                 </button>
             </form>
             <div class="login-footer">
-                <small>Безопасное хранилище словаря • notes.qpid.pro</small>
+                <small>Безопасное хранилище словаря • study.qpid.pro</small>
             </div>
         </div>
     </div>
 
     <!-- Main Application Shell -->
-    <div id="app-shell" class="app-shell">
+    <div id="app-shell" class="app-shell hidden">
         <!-- Top Navigation Bar -->
         <header class="navbar">
             <div class="nav-brand" id="nav-brand-home" title="На главную">