- Added CreateFromDSLModal component for importing datasets from DSL.
- Implemented document creation pipeline with steps for selecting data sources, processing documents, and displaying processing results.
- Introduced hooks for managing datasource actions, UI state, and document steps.
- Created preview components for local files, online documents, and website crawls.
- Integrated billing and vector space management features.
This commit enhances the document creation experience by providing a structured workflow and improved user interface.