* filter card data by age
* add setting for hide_age
* add option to settings form
* fix name to consistently use hide_age
* rename filter, use setting for filter
* add test for old hiding old data
* fix migration to contain correct imports, remove month from timedelta
* remove months from timedelta, allow blank
* fix with block
* add settings test
* add test for filter
* mock localtime
* fix timezone issues with tests
* linting
* linting
* Adjust migration
Co-authored-by: Benjamin Häublein <benjaminh@debian.vm.hp>
Co-authored-by: Christopher C. Wells <git@chris-wells.net>