[Feature] Leftovers after Release (#303)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#303

templates/static/login.html

@@ -31,6 +31,32 @@
 {% endblock %}
 
 {% block content %}
+  <div class="card bg-base-200 mb-6 ">
+    <div class="card-body">
+      <h3 class="card-title">Welcome to the new enviPath!</h3>
+      <p class="mb-4 text-sm">
+        Rebuilt from the ground up for faster predictions, greater stability,
+        and powerful scalability. Explore a decade of research on a modern,
+        reliable platform.<br />
+        The old system is still accessible but will be shut down at a later
+        date. If you want to back up your data, download it from the
+        <a
+          href="https://legacy.envipath.org"
+          class="link link-primary"
+          target="_blank"
+          >old system</a
+        >
+        or contact us via the
+        <a
+          href="https://community.envipath.org/"
+          class="link link-primary"
+          target="_blank"
+          >community forum</a
+        >
+        for assistance.
+      </p>
+    </div>
+  </div>
   <!-- Tab Navigation -->
   <div class="border-base-300 mb-6 border-b">
     <div class="flex justify-start">