Support creating enums as const objects

[PerfectlyNormal]

Should probably be a configurable flag.
Needs to handle Zod schemas as well.

https://www.totaltypescript.com/why-i-dont-like-typescript-enums

https://www.totaltypescript.com/books/total-typescript-essentials/deriving-types#using-as-const-for-javascript-style-enums