* add admin akd key mongo implementations
* wire admin and key stores to mongo
* lint: wrong comment on keys store
* typos and comments corrections
* fix failed test on avatar resizer
* get rid of ineffectual assignment in test
* add tests for encoding fallback and mongo's keys & admin
* empty encode test adjusted
* support flags commands, move to cmd
* fix target name
* test for happy path importer
* add export cmd
* fix wrong import, lint warns
* increase test timeout
* add sellp to allow main test server to start
* implement all cmds
* handle backup/restore errors
* fix import status check, hide secret from logs
* backup cmd err tests
* randimize test port
* avoid dup code in Last controller
* add target to make all bin archives
* remove container in make
* add smiple scripts to simplify commands, update readme
* add docs on dockerless, enforce app user
* add restore info
* move last to lastCommentsScope const