[dev] update example files + cleaning files + init couchdb

1 job from dev-environment in 12 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #873
lint:js

00:12

 
Test lint:js
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls third-party
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /home/gitlab-runner/.npm/_logs/2021-04-14T22_24_37_648Z-debug.log
Makefile:9: recipe for target 'lint-js' failed
make: *** [lint-js] Error 1
ERROR: Job failed: exit status 1