* - handle cursor.Prefix on server
- move state reports to KV interface
* add CmdCursorSeekKey
* tests for abstract_kv
* avoid reading configs of databases
* avoid reading configs of databases
* make linter happy
* make linter happy
* cleanup
* port badger features from original implementation
* try to fix test
* try to fix test
* .Close() don't return error anymore - defer friendly
* try to enable badger now
* try to enable badger now
* badger can't run on CI yet
* badger can't run on CI yet
* re-run ci
* skip ctx cancelation for badger
* Introduce NoValuesCursor. From() method is useless because can be replaced by Seek().`
* implement NoValueCursor interface
* use abstract db in restapi
* cleanup .md
