Release v0.5.1

Added

• 401a2e8 - reorganize utility functions into dedicated modules and enhance test coverage
• d1bc466 - add support for multiple diffusion forms in FlowSampler and enhance documentation
• 8ca6752 - add custom parameters for c(t) in EquilibriumMatchingLoss and update related tests
• 8bf0d7b - enhance diffusion form handling in the base_interpolant with additional options and improved error messaging
• 2eb3494 - enhance EquilibriumMatchingLoss with explicit energy formulations and detailed docstring updates

Fixed

• 87f4f08 - correct save_checkpoint call by including optimizer parameter

Other

• 0ec4e4a - Update torchebm/losses/equilibrium_matching.py
• e9a443d - Update torchebm/losses/equilibrium_matching.py