Adding categorie html output on field

[micker]

hello in some field it can be cool to have a category html output exemple relation field :

• in item a list of item related + image + field
• in category just a list of title exemple file field :
• in item all information and button
• in category just a button ect .... i can be a cool feature

[micker]

concept : in display tab of all field adding 3 dropdown to select output value :

• item template : default / .. custom created by user
• category template : default / .. custom created by user
• backend template : default / .. custom created by user