Add windows build

[xhochy]

Checklist

• Used a fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[xhochy]

@isuruf any idea what may be going wrong in the windows build?

[isuruf]

Try adding a # [unix] selector here.

[xhochy]

  CC       src/bytecode.lo
src/builtin.c:10:10: fatal error: 'sys/time.h' file not found
#include <sys/time.h>

Sadly uses non-Windows headers, guess it have to revert to m2w64-toolchain.

[0xbe7a]

@conda-forge-admin, please rerender

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.