feat: Publish releases to new docker hub account (#418)

* feat: Publish releases to new docker hub account
* feat: added latest tag for docker hub

chore(release): 2.8.2 [skip ci]

## [2.8.2](v2.8.1...v2.8.2) (2021-05-04)

### Bug Fixes

* update dockerfiles and node scripts ([bbde454](bbde454))

release: update version number and changelog

Merge pull request #233 from blockstack/hotfix/lru-cache-count-fix

Set lrucache `noDisposeOnSet`

version bump should be 2.5.2, not 2.5.1

Merge pull request #223 from blockstack/feature/prod-ready-start-script

Prod-ready package.json "start" commands

Merge pull request #222 from blockstack/develop

Release 2.5.0