Feature/api setup

[sjeguedes]

This branch installs a Symfony skeleton 4.4.10 LTS with necessary components to manage a REST API.
This merge aims at testing better workflow with development and features branches added to master. No issue is referenced for this pull request.
This branch treated expected changes and "fixed" issue: #1

• Set up environnement with a functional database thanks to Doctrine tools.

• Prepared Partner, Offer, Phone, Client entities to manage application

• Used Faker and Faker custom provider to get customized and random coherent data

• Generated Fixtures to load a starting set of sufficient data

• Prepared application to manage API resources

Message: please accept this merge and be conscious multiple changes will be made later.

[sjeguedes]

Merge accepted!

Please note that:

Manage all kind of expected resources thanks to application should be the next step!