Added input validation for description field to prevent scripting in response body

commit 551e2d31 Author: Michael Sacco saccomi@amazon.com Date: Tue Sep 06 2022 15:55:13 GMT-0400 (Eastern Daylight Time)

Cleaning up unused headers and annoations

commit 709fa932 Author: Michael Sacco saccomi@amazon.com Date: Tue Sep 06 2022 13:00:59 GMT-0400 (Eastern Daylight Time)

Added space as allowed description regex and added a new test to validate against bad inputs

commit 7d031bd0 Author: Michael Sacco saccomi@amazon.com Date: Tue Sep 06 2022 12:12:43 GMT-0400 (Eastern Daylight Time)

Updating the validation for the description field when creating a new Entitlements group to limit the input characters in order to avoid improper input injection