Add login page

frontend/.eslintrc.json

@@ -28,6 +28,8 @@
     // "@typescript-eslint/no-explicit-any": "off",
     // "@typescript-eslint/no-non-null-assertion": "off",
 
+    "@typescript-eslint/no-unsafe-assignment": "warn",
+
     // Avoid bugs.
     "@typescript-eslint/no-misused-promises": [
       2,

frontend/src/pages/index.tsx

@@ -1,5 +1,5 @@
-import CreateUser from "./create_user";
+import Login from "./login";
 
 export default function Home() {
-  return <CreateUser />;
+  return <Login />;
 }