Allow to add/edit packaging weight

[teolemon]

What

• [ ] Create a weighting education screen
  • [ ]
• [ ] Add a link to purchase a precision scale in your country, with a list of suggested scales the community has tested. Mention that Open Food Facts is of course not getting any commission by recommending those scales.
• [ ] Implement a weight input screen
  • [ ]

    Part of

• 515

[omkarChend1kar]

@teolemon From where will navigate users to this screen?, I can see there is edit product button, Which lets navigate to the all the product categories which could be edited, There we have one tab that lets us edit packaging information, Are you planning to add this feat to update packaging weight here on this page?

[teolemon]

• You should go up to #515 to a broader view. The Figma link in the README will allow you to see the whole pipeline