feat: add signin

apps/landing/src/app/(auth)/signin/_hooks/use-post-signin.ts

@@ -0,0 +1,18 @@
+import { useMutation } from '@tanstack/react-query';
+import { useRouter } from 'next/navigation';
+import { SigninAction } from '../_actions/signin-action';
+import { useFormSignin } from './use-form-signin';
+
+export function usePostSignin(form: ReturnType<typeof useFormSignin>) {
+  const router = useRouter();
+
+  return useMutation({
+    mutationFn: SigninAction,
+    onSuccess: () => {
+      router.push('/');
+    },
+    onError: () => {
+      form.resetField('password');
+    },
+  });
+}