embeddings library

1. openai_core package
2. documentation
3. embeddings.dart

openai_core package

1. Libraries
2. audio
3. common
4. containers
5. embeddings
6. exceptions
7. files
8. images
9. openai_client
10. openai_core
11. realtime
12. realtime_beta
13. realtime_io
14. realtime_io_beta
15. realtime_session_controller
16. realtime_web
17. realtime_web_beta
18. responses
19. responses_session
20. sse_client
21. vector_stores