Update entities to have an ID field

[SteeledSlagle13]

Add id fields to all entities Field maps to the directory name. This makes it easier to reference image folders if consumers are just using the GET :type/all endpoint. (some entities already had an id field mapping to their directory... this just adds it to all other entities)

• removed \u0009 character from food/de.json -- lint
• removed a en,json file
• added correct data for blackcliff-agate/en.json