Remastering of `dev-experiment-class` to create the next `main`

[JacopoPan]

TODOs

• remove epochs @Federico-PizarroBejarano
• remove similarity metrics @Federico-PizarroBejarano
• remove Adam's delenda @adamhall
• delete experiments folder (add examples/tests as needed) @adamhall @Federico-PizarroBejarano
• (?) remove tutorials/move to examples @Federico-PizarroBejarano
• Move execute_rl_controller.py to experiments/ @Federico-PizarroBejarano
• switch from gym to gymnasium @JacopoPan
• fix typo in #128 @JacopoPan
• refer to other branches/tags for publication specific results in the README.md @JacopoPan
• Added RL (PPO and SAC) experiments, training, and testing in examples/rl/ @Federico-PizarroBejarano
• (optional) add automated pylint @Federico-PizarroBejarano
• update Python version and dependencies in pyproject.toml @JacopoPan @Federico-PizarroBejarano @adamhall