Add initial Angular application structure and components

src/app/footer/footer.component.html

@@ -0,0 +1,16 @@
+<noscript>
+  <div class="container">
+    <div class="card">
+      <h2 id="loading-text" class="warning-text">
+        Enable javascript for the full experience!
+      </h2>
+    </div>
+  </div>
+</noscript>
+
+<footer>
+  <p>
+    <a routerLink="/imprint">IMPRINT</a> | &copy; 2023
+    - {{ currentYear }} {{ globalFields.firstname }} {{ globalFields.lastname }} - All rights reserved.
+  </p>
+</footer>