feat(admin): add Searcher to the admin section
Created by: HejdaJakub
- Added Searcher page with four tabs (users, members, facilities, resources).
- To members-list and resources-list were added new columns according to the old GUI.
- At this moment, we get the Member object from BE, but member status tooltip and member expiation settings require RichMember, so some other components have to be changed.