Test Alexis POC with SGithub

[aboubakar14]

In order to check that the Parse Server is correctly working, we need to check that the API is also correctly working with the SGithub (SG's github internal version).
To do so, we need to launch the API using the right config and the SG network.

[aboubakar14]

CF: https://github.com/AlexisNeveu/parse_demo/tree/poc/sgithub