Milestone 5. Likes: counter and add functions

[indigodavid]

For this milestone we added the following features:

• Module to get the likes for each specific art object
• Module to add a new like for each art object
• Implement modules when rendering the elements
• Improve styling of art objects

[Brenda309]

Approved 🟢

Hey @indigodavid, congratulations your project is complete 🥳

The counters and like functions are working well.

There is nothing else to say other than merge.