fix: conflict error test

src/components/shared/MainContainer.tsx

@@ -0,0 +1,8 @@
+import React, { ReactNode } from 'react';
+
+const MainContainer = ({ children }: { children: ReactNode }) => {
+  //
+  return <div className=" max-w-[393px]  mx-auto">{children}</div>;
+};
+
+export default MainContainer;

src/components/shared/sign/SignInButton.tsx

@@ -0,0 +1,16 @@
+import { useRouter } from 'next/router';
+import React from 'react';
+
+const SignInButton = () => {
+  const router = useRouter();
+  //
+  return (
+    <button
+      className="w-[361px] h-12 px-3.5 rounded-lg border border-black justify-center items-center inline-flex text-black text-[15px] font-semibold font-pretendard leading-snug"
+      onClick={() => router.push('/signin')}>
+      로그인
+    </button>
+  );
+};
+
+export default SignInButton;

src/components/shared/sign/SignUpButton.tsx

@@ -0,0 +1,16 @@
+import { useRouter } from 'next/router';
+import React from 'react';
+
+const SignUpButton = () => {
+  const router = useRouter();
+  //
+  return (
+    <button
+      className="w-[361px] h-12 px-3.5 bg-space-black rounded-lg justify-center items-center inline-flex text-white text-[15px] font-semibold font-pretendard leading-snug"
+      onClick={() => router.push('/signup')}>
+      회원가입
+    </button>
+  );
+};
+
+export default SignUpButton;