🚚 Move generated types to sdk package

[aaronleopold]

This chore makes the sdk package much more standalone. The generated types living in the package directly means that if I ever push this to npm it will now have the types it references, instead of pulling them from another package (@stump/types)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
core/src/lib.rs	0.00%	2 Missing ⚠️
apps/server/src/routers/api/mod.rs	0.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ
apps/server/src/routers/api/mod.rs	0.00% <0.00%> (ø)
core/src/lib.rs	0.00% <0.00%> (ø)