login,signup,admin

client/src/App.js

@@ -23,6 +23,7 @@ function App() {
           <Route path="/login" component={LoginPage} />
           <Route path="/signup" component={SignupPage} />
           <Route path="/movie" component={MovieListPage} />
+          <Route path="/admin" component={AdminPage}/>
         </Switch>
       </Router>
     </div>

client/src/components/Navs/SubNav.js

 const SubNav = () => {
     return (
         <nav class="nav justify-content-end py-1">
-            <a class="nav-link text-white" href="#">로그인</a>
-            <a class="nav-link text-white" href="#">회원가입</a>
+            <a class="nav-link text-white" href="/login">로그인</a>
+            <a class="nav-link text-white" href="/signup">회원가입</a>
         </nav>
     )
 }