As a user, I want to delete an item

[valfink]

"My item has been picked up, but it's still there. It has to GO!"

• backend
  • DELETE endpoint /api/food/{id}
  • user must be logged in and can only delete their own items
• frontend
  • delete link from item details page (only on the user's own items)
  • show message to ask for approval before deleting
• unit and integration tests