fix errors

src/components/Header/Header.jsx

@@ -55,7 +55,11 @@ function Header() {
                             <NavLink to="/volunteers" className={({ isActive }) => isActive ? styles.activeLink : styles.link}>
                                 Bénévoles
                             </NavLink>
-                            
+                            {user?.isAdmin && (
+                                <NavLink to="/admin" className={({ isActive }) => isActive ? styles.activeLink : styles.link}>
+                                    Administration
+                                </NavLink>
+                            )}
                         </div>
                     </div>
 
@@ -87,7 +91,11 @@ function Header() {
                     <NavLink to="/volunteers" className={({ isActive }) => isActive ? styles.activeLink : styles.link}>
                         Bénévoles
                     </NavLink>
-                 
+                    {user?.isAdmin && (
+                        <NavLink to="/admin" className={({ isActive }) => isActive ? styles.activeLink : styles.link}>
+                            Administration
+                        </NavLink>
+                    )}
                 </nav>
 
 

src/layout.jsx

@@ -11,9 +11,9 @@ function Layout(){
 
     const { user, loading } = useContext(AuthContext);
 
-   /* if (loading) return <p>Loading</p>;
+   if (loading) return <p>Loading</p>;
     if (!user) return <Navigate to="/login" />;
-    if(user && user.validate === 0) return <Navigate to="/error/validation" />;*/
+    if(user && user.validate === 0) return <Navigate to="/error/validation" />;
 
     return (
         <div>