#13 Got auth logic working

frontend/src/contexts/UserContext.jsx

@@ -0,0 +1,30 @@
+import { createContext, useMemo, useState } from "react";
+
+const UserContext = createContext({});
+
+const UserContextProvider = ({ children }) => {
+
+	const [currentUser, setCurrentUser] = useState(undefined);
+
+	// useMemo does not wait for after render, like useEffect.
+	useMemo(()=>{
+		setCurrentUser(JSON.parse(localStorage.getItem("currentUser")));
+	},[]);
+
+  const contextValues = {
+    currentUser,
+    setCurrentUser: (data) => {
+		localStorage.setItem("currentUser", JSON.stringify(data))
+		setCurrentUser(data);
+	},
+  };
+
+  return (
+    <UserContext.Provider value={contextValues}>
+      {children}
+    </UserContext.Provider>
+  );
+};
+
+export default UserContext;
+export { UserContextProvider };