Create a Common Description Language for ARA

# Create a Common Description Language for ARA

## Context

Currently, ARA will need more developments to add integration of new testing tools, like specific java class to attach a test framework to ARA.

## Expected

To prevent the need to write too much wrapping code inside the ARA codebase, and to drastically extend the field of testing framework supported by ARA, we can use some kind of Common description language (like a JSON or a YAML in a specific format) for ARA.

ARA will only know how to analyse and index runs based on those description files, and we will prevent (in other projects ?) some adapters which will converts a specific framework's results into this Common description language.