Adding custom POI types

[ooosssay]

Similar to Preset Customization, possibly add custom POI types where you can add name, choose which data type it should appear on, and automatically added tags. This could be possibly be “merged” with preset customization.

[bryceco]

Why not add these to https://github.com/openstreetmap/id-tagging-schema instead?

[tordans]

… or here https://nsi.guide/?t=brands