0.2.0: #50 - maintain response style (#57)
* #55 - change routes for admin * #43 - permission policy #94 - add permissions * #50 - maintain response style * #51 - search elements by title and/or library_id (#58) Co-authored-by: KD <do> Co-authored-by: KD <do> Co-authored-by: krz <krzysztof.dziedziech@escola.pl>