Add skeleton

helpers/validateUser.js

@@ -0,0 +1,9 @@
+const validateUser = (email, password) => {
+  const validEmail = typeof email === "string" && email.trim() !== "";
+  const validPassword =
+    typeof password === "string" && password.trim().length >= 6;
+
+  return validEmail && validPassword;
+};
+
+module.exports = validateUser;