Creation of `TypeDataField` schemas for actors and items

[stwlam]

Mostly blocked by #15545, but there are some actor and item subtypes that haven't seen a migration in years (or ever).

Actor:

• [ ] army
• [ ] character
• [x] familiar
• [ ] hazard
• [x] loot
• [ ] npc
• [ ] party
• [ ] vehicle

Item:

• [x] action
• [ ] ancestry
• [ ] armor
• [ ] background
• [ ] backpack
• [ ] campaignFeature
• [ ] class
• [ ] condition
• [ ] consumable
• [ ] deity
• [ ] effect
• [ ] equipment
• [ ] feat
• [ ] heritage
• [x] kit
• [x] melee
• [ ] shield
• [ ] spell
• [ ] treasure
• [ ] weapon