Update README.md

docs: reranking uses a month-aware prior and reaches 95.09

docs: reranking uses a month-aware prior and reaches 95.09

Add the distill and fine-tune stages, which regenerate the alpha sweep

Link the BioCLIP 2 paper

Fix lineage: 0.3 is distilled from WingCLIP-0.1, not BioCLIP-2. Add citations.

Add WingCLIP-0.3 weights, classifier and ONNX exports

initial commit