⤵ load dynamic build info in Footer component

ref #30

src/components/Footer.svelte

@@ -1,5 +1,9 @@
 <script>
   import { _ } from "svelte-i18n";
+  const releaseinfo = document
+    .getElementById("buildinfo")
+    .textContent.replace("RELEASE_INFO-", "")
+    .replace("-RELEASE_INFO", "");
 </script>
 
 <footer class="p-5 w-full">
@@ -11,4 +15,15 @@
       rel="noopener,noreferrer"
       target="_blank">ODIT.Services</a>
   </p>
+  <p class="text-sm text-gray-500 mt-4">
+    <a
+      class="underline"
+      target="_blank"
+      rel="noopener, noreferrer"
+      href="https://git.odit.services/lfk/frontend/">LfK!Frontend</a>@<a
+      class="underline"
+      target="_blank"
+      rel="noopener, noreferrer"
+      href="https://git.odit.services/lfk/frontend/src/tag/{releaseinfo}">{releaseinfo}</a>
+  </p>
 </footer>