`Type urls` in const

[happylolonly]

Hi, I would want to use core cosmos type urls in some consts/enums, but couldn't find them, are they exist?

I did this PR, but realized that this should be done in Cosmos libs, not by devs in theirs projects.

Or how to do it correct?

[happylolonly]

Created thread in Cosmos discord - https://discord.com/channels/669268347736686612/1195340710333911050/1195340710333911050