static/manifest.json

+{
+    "name": "Website der Teckids-Gemeinschaft",
+    "short_name": "Teckids-Website",
+    "icons": [
+        {
+            "src": "/android-chrome-192x192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "/android-chrome-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+	    "purpose": "maskable"
+        }
+    ],
+    "theme_color": "#ff6600",
+    "background_color": "#ff6600",
+    "display": "browser"
+}

static/webfonts

+../node_modules/@fortawesome/fontawesome-free/webfonts
\ No newline at end of file

templates/404.html

+{% extends "base.html" %}
+
+{% block main %}
+  <section class="section">
+    <div class="container">
+      <div class="message is-danger">
+        <div class="message-header">
+          <p>{{ trans(key="not_found_header", lang=lang) }}</p>
+          <a class="button delete" href="{{ get_url(path="@/_index.md", lang=lang) }}"></a>
+        </div>
+        <div class="message-body">
+          {{ trans(key="not_found_body", lang=lang) }}
+        </div>
+      </div>
+    </div>
+  </section>
+{% endblock %}