README: added Method 2.2: LWRP inside OpsWorks
README: added Method 2.2: LWRP inside OpsWorks

mevic/chef-handler-sns,zuazo/chef-handler-sns,mevic/chef-handler-sns,onddo/chef-handler-sns,zuazo/chef-handler-sns,onddo/chef-handler-sns,mixpanel-platform/chef-handler-sns,mixpanel-platform/chef-handler-sns