chore(validation/type): add directive to validate view value
chore(validation/type): add directive to validate view value

related to CAM-3002

lightswitch05/camunda-bpm-sdk-js,camunda/camunda-bpm-sdk-js,camunda/camunda-bpm-sdk-js,nagyistoce/camunda-bpm-sdk-js,nagyistoce/camunda-bpm-sdk-js,lightswitch05/camunda-bpm-sdk-js