DEICH-5896 various improvements to Mailchimp Synchronizer (!295) · Merge requests · digibib / deichman · GitLab

Torstein requested to merge DEICH-5896-mailchimp into master May 18, 2021

improve linting setup (no more false positives in tests)
use dotenv to load .env-file loccally
add message object validation
fix producer code
improve logging
format with prettier
remove most hard-coded constants that now comes from dotenv

Closes DEICH-5896