added setup.md file
added setup.md file

trandangtri/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,tautrimas/ElasticsearchBundle,saimaz/ElasticsearchBundle,asev/ElasticsearchBundle,asev/ElasticsearchBundle,martiis/ElasticsearchBundle,murnieza/ElasticsearchBundle,saimaz/ElasticsearchBundle,martiis/ElasticsearchBundle,tautrimas/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,murnieza/ElasticsearchBundle,trandangtri/ElasticsearchBundle,ongr-io/ElasticsearchBundle