Haroldo de Oliveira Pinheiro

Created a standard README so that it will be displayed in the project's main page.

This does not seem to be mentioned in the documentation, and a quick Google search only points to an [unanswered Stack Overflow question from 2014](https://stackoverflow.com/questions/27222706/how-can-i-have-composite-primary-key-schema-in-jugglingdb). The question is: does JugglingDB...