Added sample UI design

- Added credits component
- Added simple icons
- Made navbar responsive for mobile
- Added credits/upload/download/home/navbar components
- Created simple design for home component
- Added tailwindcss and daisyUI and TailwindCSS

frontend/src/app/credits/credits.component.html

@@ -0,0 +1,10 @@
+<p>credits works!</p>
+<h2>
+  Used media
+</h2>
+<ul>
+  <li>
+    <p>App Icon by flaticon.com</p>
+    <a href="https://www.flaticon.com/de/autoren/najmunnahar">NajmunNahar</a>
+  </li>
+</ul>