Add Documentation for the Elasticsearch connector
Add Documentation for the Elasticsearch connector

pmadrigal/Crossdata,jjlopezm/crossdata,gserranojc/Crossdata,hdominguez1989/Crossdata,compae/Crossdata,miguel0afd/crossdata,luismcl/crossdata,hdominguez1989/Crossdata,darroyocazorla/crossdata,jjlopezm/crossdata,pmadrigal/Crossdata,Stratio/crossdata,miguel0afd/crossdata,luismcl/crossdata,Stratio/crossdata,gserranojc/Crossdata,compae/Crossdata,darroyocazorla/crossdata