init commit,

99_references/supabase-examples/user-management/nextjs-user-management/app/login/page.tsx

@@ -0,0 +1,14 @@
+import { login, signup } from './actions'
+
+export default function LoginPage() {
+  return (
+    <form>
+      <label htmlFor="email">Email:</label>
+      <input id="email" name="email" type="email" required />
+      <label htmlFor="password">Password:</label>
+      <input id="password" name="password" type="password" required />
+      <button formAction={login}>Log in</button>
+      <button formAction={signup}>Sign up</button>
+    </form>
+  )
+}