Add:

- context/
- hook/
- types/

### No Issue

hook/use-auth.ts

@@ -0,0 +1,10 @@
+import { AuthContext } from "@/context/AuthContext";
+import { useContext } from "react";
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (!context) {
+    throw new Error("useAuth must be used within an AuthProvider");
+  }
+  return context;
+};