Add update function

src/contexts/auth/authProvider.jsx

@@ -30,8 +30,13 @@ export function AuthProvider({ children }) {
         setUser(null);
     };
 
+    const update = async () => {
+        const u = await getUser();
+        setUser(u);
+    }
+
     return (
-        <AuthContext.Provider value={{ user, loading, login, logout }}>
+        <AuthContext.Provider value={{ user, loading, login, logout, update }}>
             {children}
         </AuthContext.Provider>
     );