* import with two-stages, wait api and prevnts double run for the same site #231
* lint: missing err check on tmp import file removal
* catch SIQQUIT
* add imprter comments
* add new import apis to spec
* add test for form import
* timeout for import wait api
* lint: uncecked errs
* 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
Dmitry VerkhoturovandUmputun
