Finally, I finished the very first version.
Days spent: 20.
Items added: 11.
Now my goal is to get feedback. I have many features to be implemented but I want to know what is most important for end-users, what can be a challenge taking into account there are 2 types of end-users:
They may overlap, though.
I would be glad to hear from you - how do you find the catalog? Is it clear what it is about?