added Basic usage
added Basic usage

thomasmillergb/Year2-ruby-software-hut,mihar/omniauth-timekiwi,github/omniauth,yui-knk/omniauth,poznyakandrey/omniauth,fxposter/omniauth,toyokazu/omniauth_shibboleth,dougal/omniauth,ngpestelos/omniauth,ayunav/omniauth,thomasmillergb/Year2-ruby-software-hut,twalpole/omniauth,nbrustein/omniauth,intridea/omniauth,sideci-sample/sideci-sample-omniauth,likeberi/omniauth,omniauth/omniauth