Rename frontend directory (#472)

* Rename directory

* Cleanup

* Recover lost images

* remove lint

frontend/src/components/ShutDownButton.tsx

@@ -0,0 +1,33 @@
+import { BsPower } from "react-icons/bs";
+
+import Modal from "./modal/Modal";
+import { useShutdownHelmDashboard } from "../API/other";
+
+function ShutDownButton() {
+  const { mutate: signOut, status } = useShutdownHelmDashboard();
+
+  const handleClick = async () => {
+    signOut();
+  };
+
+  return (
+    <div className="w-full">
+      <Modal title="Session Ended" isOpen={status === "success"}>
+        <p>
+          The Helm Dashboard application has been shut down. You can now close
+          the browser tab.
+        </p>
+      </Modal>
+
+      <button
+        onClick={handleClick}
+        title="Shut down the Helm Dashboard application"
+        className="flex justify-center w-full mr-5 py-3 border border-transparent hover:border hover:border-gray-500 rounded hover:rounded-lg"
+      >
+        <BsPower className="w-6" />
+      </button>
+    </div>
+  );
+}
+
+export default ShutDownButton;