Full ocean integration
* Writing `training` and `aggregation` algorithm for Ocean's compute-to-data.
* Adding tests
* Cleaning old code
What's Changed
* Ocean training by Breta01 in https://github.com/FELToken/feltoken.py/pull/5
**Full Changelog**: https://github.com/FELToken/feltoken.py/compare/v0.2.1...v0.2.2