Support building on Windows
Summary: This supports building on Windows via mingw32-make.
The exact way to invoke the Makefile is at https://lily-is.land/kazv/craft-blueprints-project-kazv/-/blob/servant/libs/vodozemac-bindings/vodozemac-bindings.py?ref_type=heads .
BUG: https://iron.lily-is.land/T128
Type: add
Test Plan: Verify that it builds both on Windows and GNU/Linux.