Generate capabilities.json from built-in function map

[anderseknert]

In order to know that a policy works with Jarl before evaluation, it would be useful if we could generate a capabilities.json file from the built-in function map, and perhaps provide a helper script to build a plan using that.

[Parsifal-M]

Hey :wave:!

I think I have some spare time this weekend I will start looking into this :smile:

Thanks!

[anderseknert]

That's awesome! Let me know if you need any help with that :)