Created the module validation

server/validations/module.js

@@ -0,0 +1,21 @@
+const Joi = require('joi');
+
+const fieldValidation = Joi.object({
+  type: Joi.string().required().valid("text", "number"),
+  name: Joi.string().required().max(25),
+  description: Joi.string().required().max(40),
+  placeholder: Joi.string().max(30)
+});
+
+const metaValidation = Joi.array().required().items(Joi.object({
+  name: Joi.string().required(),
+  type: Joi.string().valid("default"),
+  fields: Joi.object().pattern(Joi.string(), fieldValidation)
+}));
+
+module.exports = Joi.object({
+  name: Joi.string().required().min(3).max(20),
+  icon: Joi.string().required(),
+  validationSchema: Joi.object().required(),
+  meta: metaValidation
+});