Create product attributes builder

[axentioialexandru95]

We need an attribute builder for the products so that we know that we can upload photos, select, check, etc.

Example https://artlinefotografie.ch/produkt/sh-lineal/

AC

• [x] Products should have normal attributes as: main price, description, images
• [x] Custom attributes builder that should have: radios, selectors, inputs, fileInputs
• [x] Is digital product check - add yes/no check, yes resulting in an update in the price
• [x] Digital check selected pricing
• [x] Additional information - text