add max length validations for summary in challenge create and update… (#14053)

* add max length validations for summary in challenge create and update controllers

* Add validation to group APIs

* fix lint errors

* add validation to group plan

* fix imports

* add tests

* add max length validations for summary in challenge create and update controllers

* Add validation to group APIs

* fix lint errors

* add validation to group plan

* fix imports

* add tests

* lint checks

website/common/script/errors/apiErrorMessages.js

@@ -39,4 +39,5 @@ export default {
   directionUpDown: '"direction" is required and must be "up" or "down".',
   invalidTaskIdentifier: 'A task is identified by its UUID or alias.',
   invalidTaskScorings: 'This API route expects a body in the form of [{id, direction}].',
+  summaryLengthExceedsMax: 'Summary length is too high.',
 };