Prototype implementation

vergabe_teilnahme/templates/partials/feedback_button.html

@@ -0,0 +1,8 @@
+<button hx-get="/feedback/modal/"
+        hx-target="#modal-container"
+        hx-swap="innerHTML"
+        class="fixed bottom-6 right-6 bg-white border border-slate-300 shadow-lg
+               rounded-full p-3 hover:bg-slate-50 z-40 transition-colors"
+        title="Feedback geben">
+  💬
+</button>