move frontend stuff to its own directory

frontend/src/Footer.tsx

@@ -0,0 +1,25 @@
+import { useLocation } from "react-router";
+import { Link } from "react-router";
+import { useSession } from "./Session";
+
+export default function Footer() {
+  const location = useLocation();
+  const { user, teams } = useSession();
+  return (
+    <footer className="footer">
+      <div className="content has-text-centered">
+        <p className="grey">
+          something not working? message <a href="https://t.me/x0124816">me </a>
+          or fix it here:&nbsp;
+          <a
+            className="icon is-small"
+            href="https://git.0124816.xyz/julius/cutt"
+            key="gitea"
+          >
+            <img src="gitea.svg" alt="gitea" />
+          </a>
+        </p>
+      </div>
+    </footer>
+  );
+}