Tracking issues of adopting features added in OpenDAL v0.5

[Xuanwo]

OpenDAL v0.5 added the following features

• Azblob
• Create dir
• Decompress read

Read OpenDAL v0.5 Release for more information

This issue intends to track the adoption of OpenDAL v0.5:

• Support use azblob as storage backend #4738
• Support copy from azblob #4739
• Support read compressed files in COPY statemente #5380
• Code cleanup for object("abc/").write(vec![]) trick
• Proposal: Rename storage.disk to storage.fs #4449
• Code Cleanup: refactor: Rename S3StageTable into StageTable #5251
• Code Cleanup: refactor: Reuse StorageConfig in stage #5280

[Xuanwo]

To support azblob, we need some refactoring on our config, I'm working on #4362

[wubx]

Also consider subsequent UNLOAD support for compression

[Xuanwo]

#5655 adds decompress read supports!