Revamp empty status page

data/gtk/window.blp

@@ -18,11 +18,22 @@ Adw.StatusPage hidden_notice_no_results {
 }
 
 Adw.StatusPage notice_empty {
-  icon-name: "applications-games-symbolic";
+  icon-name: "hu.kramo.Cartridges-symbolic";
   title: _("No Games");
   description: _("Use the + button to add games.");
   vexpand: true;
   valign: center;
+
+  Button {
+    label: _("Import");
+    halign: center;
+    action-name: "app.import";
+
+    styles [
+      "pill",
+      "suggested-action",
+    ]
+  }
 }
 
 Adw.StatusPage hidden_notice_empty {