services/rag library

1. cactus package
2. documentation
3. services/rag.dart

cactus package

1. Libraries
2. cactus
3. models/document
4. models/rag
5. models/tools
6. models/types
7. objectbox.g
8. services/lm
9. services/rag
10. services/stt
11. services/telemetry
12. services/tool_filter