Add demo role

Server/models/user.js

@@ -38,7 +38,7 @@ const UserSchema = mongoose.Schema(
     role: {
       type: [String],
       default: "user",
-      enum: ["user", "admin", "superadmin"],
+      enum: ["user", "admin", "superadmin", "demo"],
     },
     teamId: {
       type: mongoose.Schema.Types.ObjectId,

Server/validation/joi.js

@@ -70,7 +70,7 @@ const registrationBodyValidation = joi.object({
   profileImage: joi.any(),
   role: joi
     .array()
-    .items(joi.string().valid("superadmin", "admin", "user"))
+    .items(joi.string().valid("superadmin", "admin", "user", "demo"))
     .min(1)
     .required(),
   teamId: joi.string().allow("").required(),