Trying to fix pagination

Author: James Cori

src/services/ResourceService.js

@@ -497,8 +497,8 @@ listChallengesByMember.schema = {
   memberId: Joi.string().required(),
   criteria: Joi.object().keys({
     resourceRoleId: Joi.string().uuid(),
-    page: Joi.page(),
-    perPage: Joi.perPage()
+    page: Joi.page().default(1),
+    perPage: Joi.perPage().default(50)
   }).required()
 }