Git tag versions (perhaps match the zig version at the time?)

[coolaj86]

Hello!

Will you git tag this with versions moving forward?
(ex: git --tag v1.2.3 && git push --tags)

I've had issues in the past with vim plugins updating and breaking my workflow.

It's nice to have a git tag so that anyone can quickly see

1. something changed
2. the severity (major, minor, patch)

And because, y'know...

[andrewrk]

This project doesn't really have a maintainer unfortunately. I push syntax changes but that's all I'm able and willing to do