Feat:Sebulba [2] Logger and evaluator

[OmaymaMahjoub]

What?

Implement an evaluator function for sebulba ff systems, and adapt the logger to support this new architecture

Why?

Integrate Sebulba's architecture due to its effectiveness in scenarios involving non-jitted/non-jax environments.

How?

Create additional methods to the logger class and create evaluation function in evaluator.py

Extra

• This PR was built on top of Feat:Sebulba [1] Gym wrapper  #976 and Enhancement: Code cleanup  #974 , therefore we need to prioritize closing those PRs first!
• In case the reviewer wants to test this code, the full sebulba implementation is now living in feat/sebulba_ff_ippo