Create example graphql endpoint using elasticsearch

[outten45]

Create a graphql endpoint that using the elasticsearch. The data objects of the model should follow the data specification for the production evolution:

https://docs.google.com/spreadsheets/d/14EJH8qNIoHpw7g3r7MzHiIBekhXaF385sCZZd8OvXac/edit#gid=471799009