task/task_embed library

1. fire_rag package
2. documentation
3. task/task_embed.dart

fire_rag package

1. Libraries
2. cloud_recursive_chunking_task_manager
3. fire_rag
4. gen/artifacts.gen
5. gen/crud.gen
6. gen/exports.gen
7. task/task_chunk
8. task/task_distill
9. task/task_embed