Support for checking global variable declarations

[Bhupesh-V]

I just stumbled upon gochecknoglobals to check for global var declarations. does this seem to be a valuable addition to the go report?

The package author has also cited this source: https://peter.bourgon.org/blog/2017/06/09/theory-of-modern-go.html

[github-actions[bot]]

This issue is stale because it has been open 60 days with no activity.

[Bhupesh-V]

@shawnps any insights on this?