[Feature Request] Getting block tags

[szdytom]

I want to know whether a block is a trapdoor. Minecraft uses tag #trapdoors to track all trapdoors.

Ref: https://minecraft.wiki/w/Tag

[ryanc16]

this would be really useful. my use case includes things like #wool and #smelts_to_glass

[rom1504]

That's something to do in mcdata