Remove CITATION.cff (neutral dataset release)

Docs: neutralize dataset card (NOTICE.md)

Docs: neutralize dataset card (DATA_CARD.md)

Docs: neutralize dataset card (SUMMARY_v2.md)

Docs: neutralize dataset card (CHANGELOG.md)

Docs: neutralize dataset card (LICENSE-DATA.md)

Docs: neutralize dataset card (README.md)

Add author Ziqi Zhou (11 authors) to CITATION.cff and README citation

CITATION.cff: full ten-author list + composite licensing; LICENSE-DATA.md data-repo framing

Fix licensing: DMA=Danish PSI Act (not CC BY); explicit ODbL per-file mapping; card license: other/composite

CHANGELOG: v2.2 rebrand to MARIS-Forecast + Zenodo mirror release

README: swap primary citation to Zenodo DOI 10.5281/zenodo.21224009

rebrand v2.2: EnvShip-Bench v2 → MARIS-Forecast (CITATION.cff); add Zenodo DOI 10.5281/zenodo.21224009

rebrand v2.2: EnvShip-Bench v2 → MARIS-Forecast (NOTICE.md); add Zenodo DOI 10.5281/zenodo.21224009

rebrand v2.2: EnvShip-Bench v2 → MARIS-Forecast (SUMMARY_v2.md); add Zenodo DOI 10.5281/zenodo.21224009

rebrand v2.2: EnvShip-Bench v2 → MARIS-Forecast (DATA_CARD.md); add Zenodo DOI 10.5281/zenodo.21224009

rebrand v2.2: EnvShip-Bench v2 → MARIS-Forecast (README.md); add Zenodo DOI 10.5281/zenodo.21224009

v2.1 super-squash