[FrameworkBundle] Allow to debug container parameters

Bug fix: no
Feature addition: yes
Backwards compatibility break: no
Fixes the following tickets: ~
Todo: -
License of the code: MIT
Documentation PR: ~

Hey!

This PR adds a new command which allows to debug container parameters. IMO, being able to list all available parameters is very useful. We can now know which parameters we can inject into our services.

Regards