UHF-9180: Add additonal information on event card

[teroelonen]

UHF-9180

What was done

• Add ne information check for offers info url and based on t…hat information print additional information to event cards

How to install

• Make sure your instance is up and running on latest dev branch. For example the ELO instance is good for testing this.
  • git pull origin dev
  • make fresh
• Update the HDBT theme
  • composer require drupal/hdbt:dev-UHF-9180
• Run make drush-cr drush-locale-update drush-cr

How to test

• Go to https://helfi-elo.docker.so/fi/yritykset-ja-tyo/business-helsingin-tapahtumat or any other page that includes events.
• Now you should notice that at least some events (could be even all of them) should have additional information indicating that the event needs registration prior to attending. This is based on the API value offers info_url so if this information is present there should be this additional information and if not then the event doesn't require registration or a ticket.
• Check that code follows our standards

Designers review

• This PR does not need designers review
• This PR has been visually reviewed by a designer (Name of the designer)

[hyrsky]

Excellent! 🎉