### What problem does this PR solve?
- Add multiple output format to ragflow_cli
- Initialize contextengine to Go module
- ls datasets/ls files
- cat file
- search -d dir -q query
issue: #13714
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
# RAGFlow Go Implementation Plan 🚀
This repository tracks the progress of porting RAGFlow to Go. We'll
implement core features and provide performance comparisons between
Python and Go versions.
## Implementation Checklist
- [x] User Management APIs
- [x] Dataset Management Operations
- [x] Retrieval Test
- [x] Chat Management Operations
- [x] Infinity Go SDK
---------
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
Co-authored-by: Yingfeng Zhang <yingfeng.zhang@gmail.com>
