Build chocolatey package for themekit 1.2.0

[d-koval]

I updated themekit version for Chocolatey and built a new package using Windows VM.

Warn Checklist

• [ ] This changes the interface and requires a Major/Minor version change.
• [ ] I have :tophat:'d these changes by using the commands I changed by hand.
• [ ] I have added a dependancy to the project.
• [ ] I have considered any potential impact on node-themekit