Clarify SFT and RLHF workflows, fix UTR preset, and consolidate shared regression base

Add validated RiNALMo-Giga and Evo 2 benchmarks, revised figures and portable environments

Remove superseded release intermediates; preserve pretraining

Publish portable RNASeek workflows, fixed analyses, and tested checkpoints

included pretraining from hpcc and exported dataset from ipynb; zipped all safetensors weights