This PR significantly improves the dataset card for `GreenHyperSpectra` by:
- **Moving `license` to YAML metadata**: The `cc-by-nc-4.0` license is now correctly placed within the YAML metadata block at the top of the file, adhering to standard Hub practices.
- **Adding `task_categories`**: The `image-feature-extraction` task category has been added, which enhances the dataset's discoverability and proper classification on the Hub.
- **Adding `language`**: The dataset's language (`en`) has been specified in the metadata.
- **Adding `tags`**: Comprehensive tags such as `hyperspectral`, `vegetation`, `plant-traits`, `remote-sensing`, and `climate-change` have been added to provide better categorization and searchability based on the paper's content.
- **Linking to the research paper**: A direct link to the associated Hugging Face paper ([https://huggingface.co/papers/2507.06806](https://huggingface.co/papers/2507.06806)) has been added to the Markdown content, allowing users to …
