Add button to publish catalog on mongoDB

See merge request !4

Merge branch 'feature/publish-catalog-fdp' of https://git.garr.it/eosc-pillar/ffds/ffds-register-front into feature/publish-catalog-fdp

# Conflicts:
#   src/app/repository/repository.component.html
#   src/app/services/parse-xml.service.ts
#   src/environments/environment.prod.ts

Added mapping to DTO

See merge request !3

2021-05-21 ML: CI/CD - k8s change from 'set image' command to 'rollout restart' command, in deploy stage