Add support for the Folksonomy Engine in the mobile app (Tracker issue)

[teolemon]

What

Tasks

Beta Give feedback

1. Define and agree on an input/editing UI
2. Define and agree on a display UI (and grasp how we articulate that with the new product page, without polluting it)
3. The login mechanism will be in common with the main API
4. Add UI support for logging in to Folksonomy engine and the main Open Food Facts backend.
5. Add UI support for displaying properties from Folksonomy engine #5218
   folksonomy engine ✨ enhancement 🥫 Product page +3
6. Add UI support for writing properties to Folksonomy engine #5219
   Product addition folksonomy engine ✏️ Editing ✨ enhancement +4

Blocked on

• Add initial support for the Folksonomy Engine API openfoodfacts-dart#158

Why

• This will enable us to collect targeted data on food products without having to evolve the OFF core data model
  • eg: the weight of packaging elements
• This will enable us to model non-food products on Open Product Facts
• This will enable us to trigger custom behaviors in the app (eg for recalled products, and potentially public/private lists of products)

Mockups

Part of

• 🎯 What can I work on ? #525
• https://github.com/orgs/openfoodfacts/projects/5/views/1

[teolemon]

Bumping priority, since it's going to be a part of Open Products Facts