Add py.typed to support typings

[xSAVIKx]

MyPy is not happy when SDK is used as it has missing py.typed.

See https://peps.python.org/pep-0561/#packaging-type-information

[sng-asyncfunc]

Addressed it in: 51685d6

Just published a v0.1.1, let me know if that helps. @xSAVIKx

[xSAVIKx]

Yep, works great. Thanks @sng-asyncfunc