[DOC] Add fancy badges to readme, thanks to PUGX/badge-poser
[DOC] Add fancy badges to readme, thanks to PUGX/badge-poser

https://github.com/PUGX/badge-poser

Signed-off-by: Olivier Mehani <9858fe98d2c7f5f35e0d2a08f134cfc58afd42d3@learnosity.com>

Learnosity/learnosity-sdk-php,Learnosity/learnosity-sdk-php