fix: properly set app title in embedder

- add proper title in Linux embedder
- add proper title in web embedder, Safari mobile config and add Web
  embedder page description

Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>

linux/my_application.cc

@@ -40,12 +40,12 @@ static void my_application_activate(GApplication* application) {
   if (use_header_bar) {
     GtkHeaderBar *header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
     gtk_widget_show(GTK_WIDGET(header_bar));
-    gtk_header_bar_set_title(header_bar, "fluffychat");
+    gtk_header_bar_set_title(header_bar, "FluffyChat");
     gtk_header_bar_set_show_close_button(header_bar, TRUE);
     gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
   }
   else {
-    gtk_window_set_title(window, "fluffychat");
+    gtk_window_set_title(window, "FluffyChat");
   }
 
   gtk_window_set_default_size(window, 800, 600);

web/index.html

@@ -16,18 +16,18 @@
 
   <meta charset="UTF-8">
   <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="A new Flutter project.">
+  <meta name="description" content="The cutest messenger in the Matrix network.">
 
   <!-- iOS meta tags & icons -->
   <meta name="apple-mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black">
-  <meta name="apple-mobile-web-app-title" content="fluffychat">
+  <meta name="apple-mobile-web-app-title" content="FluffyChat">
   <link rel="apple-touch-icon" href="icons/Icon-192.png">
 
   <!-- Favicon -->
   <link rel="icon" type="image/png" href="favicon.png" />
 
-  <title>fluffychat</title>
+  <title>FluffyChat</title>
   <link rel="manifest" href="manifest.json">
   <link rel="stylesheet" type="text/css" href="splash/style.css">
 </head>