Ruby Gems Badge
Examples
/rubygems/v/:gem/:channel?
/rubygems/v/rails version (stable)
/rubygems/v/rails/pre version (pre)
/rubygems/v/rails/latest version (latest)
/rubygems/:topic<dt|dv|n|p>/:gem
/rubygems/dt/rails total downloads
/rubygems/dv/rails latest version downloads
/rubygems/n/rails name
/rubygems/p/rails platform