* Revert "remove tombstones (#426)"
This reverts commit aa6bab40e8.
* tombstones don't hide storage or account anymore
* auto-format code by prettier (similar to gofmt)
* wow, it works.....
* small simplification, but need make it more clear
* rebase to master
* rebase to master
* rebase to master
* re-run ci
* clean test files
* implement NoValueCursor interface
* cleanup
* fix tests
* add more stats data to ui
* can't display error
* re-open DB low-level net interface when changing db
* re-open DB low-level net interface when changing db
* fix problem with displaying errors
* run ci
* improve prop check logic
* storage tombstones integrity checks UI
* storage page
* make DB configurable
Co-authored-by: alex.sharov <alex.sharov@lazada.com>
