FEAT: Added Celery Beat

FEAT: Added preferences Celery task to automatically record what categories users watched

frontend/src/context/AuthContext.tsx

@@ -3,12 +3,14 @@ import { createContext, useContext } from "react";
 interface AuthContextType {
   isLoggedIn: boolean;
   username: string | null;
+  user_id: number | null;
   setIsLoggedIn: (value: boolean) => void;
   setUsername: (value: string | null) => void;
+  setUserId: (value: number | null) => void;
 }
 
 export const AuthContext = createContext<AuthContextType | undefined>(
-  undefined,
+  undefined
 );
 
 export function useAuth() {