Added /users/me route, and handling auth in frontend

frontend/hooks/use-login.tsx

@@ -0,0 +1,31 @@
+"use client";
+
+import { setCookie } from "cookies-next";
+import useApiMutation from "./use-api";
+
+export interface LoginArgs {
+	email: string;
+	password: string;
+}
+
+export default function useLogin() {
+	const {
+		trigger,
+		isMutating: loading,
+		isSuccess,
+	} = useApiMutation<string, LoginArgs>("/users/login", undefined, "POST");
+
+	const login = async (inputs: LoginArgs) => {
+		try {
+			const res = await trigger(inputs);
+			if (!res) throw new Error("The server hasn't responded.");
+			if (res.status === "Error") throw new Error(res.message);
+			if (res.data) setCookie("auth_token", res.data);
+			return res;
+		} catch (error: any) {
+			throw new Error(error.message);
+		}
+	};
+
+	return { login, loading, isSuccess };
+}