Docs: Update screenshots

docs/.vitepress/theme/custom.css

@@ -17,4 +17,13 @@
     width: 320px;
     border-radius: 16px;
   }
+  .credits {
+    font-size: 0.8rem;
+    text-align: center;
+    grid-column: 1 / -1;
+    a {
+      color: var(--vp-c-brand);
+      text-decoration: underline;
+    }
+  }
 }

docs/index.md

@@ -22,5 +22,7 @@ hero:
   <img src="/img/screenshot-4.png"></img>
   <img src="/img/screenshot-5.png"></img>
   <img src="/img/screenshot-6.png"></img>
+
+  <div class="credits">Wallpaper by Allec Gomes on <a href="https://unsplash.com/de/fotos/ein-grunes-blatt-das-auf-einem-gewasser-schwimmt-UcWUMqIsld8" target="_blank">Unspash.com</a></div>
 </div>
 <Footer></Footer>