Add never_cache decorators

changed title from Decorate views that shall not be cached by PWA to Decorate views that shall not be cached by the PWA

added part::backend label

created merge request !112 (closed) to address this issue

mentioned in merge request !112 (closed)

changed title from Decorate views that shall not be cached by the PWA to Add never_cache decorators

created merge request !115 (closed) to address this issue

mentioned in merge request !115 (closed)

created merge request !116 (merged) to address this issue

mentioned in merge request !116 (merged)

closed with merge request !116 (merged)

mentioned in commit f2571145