Insert isAuthenticated flag.

src/components/AuthUser/AuthContext.tsx

@@ -3,12 +3,18 @@ import { createContext } from 'react';
 
 export type AuthData = {
   role: string;
+  isAuth: boolean;
   setRole: (role: string) => void;
+  setIsAuth: (state: boolean) => void;
 };
 
 export const AuthContext = createContext<AuthData>({
   role: Roles.visitor,
+  isAuth: false,
   setRole: () => {
     // Do nothing
   },
+  setIsAuth: () => {
+    // Do nothing
+  },
 });