Added endpoint to set tag occurence to finalized
Tag merging for final annotation beta
Added selected text to AnnotationTag and requests/responses
Caching generated CSS, returning it separate from HTML
Added endpoint for marking annotations as done
Endpoint for adding Notes to annotations in AnnotationController
Minor fixes, added annotation instance endpoint - untested
HTML preprocessing and sanitization
Added DTOs and mapper profiles for annotation info
Endpoint /user/annotations for user's annotations
Added endpoint to UserController
Added AnnotationController and Service
Documents can now be assigned to Users