Mention CHGNet and MACE-MP-0 universal models in trained MLIPs section.

Add trained MLIPs section linking to Hugging Face model repo.

Polish dataset card for public use — clearer layout and docs

Clarify partial and selective download options on dataset card

Add download instructions to dataset card

Use smaller inline widths for dataset card figures

Update README.md

Add data overview tables from Notion to dataset card

Add Figure 1 from Scientific Data paper to dataset card

Add polyanion sodium cathode DFT dataset (298,144 structures, Sci Data 2025)

initial commit