update README for attributes, resources, providers
update README for attributes, resources, providers

i/chef-td-agent,ikkyotech/OpsworksNodeAddons,joeyAghion/chef-td-agent,treasure-data/chef-td-agent,benvaljean/chef-td-agent,joeyAghion/chef-td-agent,treasure-data/chef-td-agent,PerfectMemory/chef-td-agent,PerfectMemory/chef-td-agent,ijin/chef-td-agent,benvaljean/chef-td-agent,treasure-data/chef-td-agent,ikkyotech/OpsworksNodeAddons,ijin/chef-td-agent,i/chef-td-agent