README.md: Update description about Git repository
We started to switch from SVN to Git. Because GitHub would be more reliable than our single-host cgit, I continued to list GitHub mirror repository in the first place.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by k0kubun (Takashi Kokubun) about 6 years ago
README.md: Update description about Git repository
We started to switch from SVN to Git. Because GitHub would be more
reliable than our single-host cgit, I continued to list GitHub mirror
repository in the first place.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e