- Introduced a new optional `yml_file` field in the Dataset model to store YAML file references.
- Updated the database schema to include the `yml_file` column in the datasets table.
- Modified various API request and response structures to accommodate the new `yml_file` field.
- Enhanced dataset handling functions to support the inclusion of `yml_file` in dataset operations.
These changes improve the dataset management capabilities by allowing the association of YAML files with datasets, facilitating better data organization and retrieval.