Add Kibana component for Elasticsearch (#1710)

### What problem does this PR solve?
Add Kibana component for Elasticsearch

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)

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Co-authored-by: Theta Wang (ncu) <chunshan.connect@gmail.com>

docker/.env

@@ -10,6 +10,8 @@ ELASTIC_PASSWORD=infini_rag_flow
 
 # Port to expose Kibana to the host
 KIBANA_PORT=6601
+KIBANA_USER=rag_flow
+KIBANA_PASSWORD=infini_rag_flow
 
 # Increase or decrease based on the available host memory (in bytes)