chore: apply ruff formatting and fix whitespace issues

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/templates/imprint.html

@@ -24,7 +24,7 @@
       Website: www.docuelevate.com
     </p>
   </div>
-  
+
   <div class="bg-white shadow rounded-lg p-6 mb-6">
     <h2 class="text-2xl font-semibold mb-4">Business Registration</h2>
     <p class="text-gray-700 mb-3">
@@ -56,7 +56,7 @@
   <div class="bg-white shadow rounded-lg p-6 mb-6">
     <h2 class="text-2xl font-semibold mb-4">Online Dispute Resolution</h2>
     <p class="text-gray-700 mb-3">
-      The European Commission provides a platform for online dispute resolution (OS): 
+      The European Commission provides a platform for online dispute resolution (OS):
       <a href="https://ec.europa.eu/consumers/odr/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:underline">https://ec.europa.eu/consumers/odr/</a>
     </p>
     <p class="text-gray-700 mb-3">