CORE-5832 Removed permanently-delete-workflow endpoint.
CORE-5832 Reorganized App Category route docs.
CORE-5832 Added /apps/shredder endpoint.

Refactored from /secured/delete-workflow.
CORE-5832 Reorganized App Category route docs.

/apps/categories need to come before /apps, otherwise a "route not found" exception will be returned for the category endpoints.
CORE-5955 Updated Donkey with /apps/shredder endpoint.

Removed permanently-delete-workflow endpoint.
CORE-5832 Added /apps/:id/is-publishable endpoint.

Refactored from /secured/is-publishable/:id
CORE-5955 Updated Donkey to reference the new endpoint.