go get for Github

Add a "go get" button to GitHub.

Add a "go get" button to GitHub that puts command "go get github.com/user/repo" into clipboard. You can change the flags in the options of the extension. It is active only for repositories which contain Go as language. Usage: - left click copies the `go get` command to clipboard - CTRL + left click opens godoc.org for the current repository (or CMD on Mac) - ALT + left click opens goreportcard.com for the current repository - SHIFT + left click opens Sourcegraph for the current repository For searching reasons: golang Github: https://github.com/dlsniper/ggg