Imports of package github

PathSynopsis
cmd/go/internal/modfetch/codehostPackage codehost defines the interface implemented by a code hosting source, along with support code for use by implementations.
cmd/go/internal/modfetch/gitrepo
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.