devel/go-blueprint: new port

[hayzam_gmail.com]

Summary

Go Blueprint is a CLI tool that allows users to spin up a Go project with the corresponding structure seamlessly.

[hayzam_gmail.com]

Fixed GO_MODULE path

[jrm]

Nit: The Committer's guide says the subject line after the prefix should be capitalized. https://docs.freebsd.org/en/articles/committers-guide/#_capitalize_the_first_letter_of_the_subject