Added client side validation to registration page

Client/src/Validation/validation.js

@@ -0,0 +1,27 @@
+import joi from "joi";
+
+const registerValidation = joi.object({
+  firstname: joi.string().required().messages({
+    "string.empty": "First name is required",
+  }),
+
+  lastname: joi.string().required().messages({
+    "string.empty": "Last name is required",
+  }),
+
+  email: joi
+    .string()
+    .email({ tlds: { allow: false } })
+    .required()
+    .messages({
+      "string.email": "Email must be a valid email",
+      "string.empty": "Email is required",
+    }),
+
+  password: joi.string().min(8).required().messages({
+    "string.min": "Password must be at least 8 characters",
+    "string.empty": "Password is required",
+  }),
+});
+
+export { registerValidation };