Storage: Support the s3, azure blob as the object storage of ragflow. (#2278)

### What problem does this PR solve?

issue: https://github.com/infiniflow/ragflow/issues/2277

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

requirements.txt

@@ -1,5 +1,7 @@
-akshare==1.14.72
-anthropic==0.34.1   
+azure-storage-blob==12.22.0
+azure-identity==1.17.1
+azure-storage-file-datalake==12.16.0
+anthropic===0.34.1
 arxiv==2.1.3
 Aspose.Slides==24.2.0
 BCEmbedding==0.1.3