* WIP: url mapper, wrapped reader approach
* create url mapper on start
* add pattern matching in mapper
* check pattern matching in test
* change site-id from radio-t to remark42 in tests
* create new url mapper on demand, based on given func, union strict and prefix rules
* rename convert to remap
* add import with mapper test
* rename mapper func to UrlMapperMaker, create comments in test via data service
* move /import/wait to /wait ctrl
* add remap cmd
* fix url naming