mv:support set tag and checksum

[dormanze]

Community Contribution License

All community contributions in this pull request are licensed to the project maintainers under the terms of the Apache 2 license. By creating this pull request I represent that I have the right to license the contributions to the project maintainers under the Apache 2 license.

Description

Add tag and checksum flag.

Motivation and Context

1.We need a tag to identify which files are created using mv. 2.The checksum capability is added to the mv file to ensure file integrity.

How to test this PR?

1.mc mv test.txt --tags "mvFlag=true" myminio/bucket 2.mc tag list myminio/bucket/test.txt

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Optimization (provides speedup with no functional changes)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] Fixes a regression (If yes, please add commit-id or PR # here)
• [ ] Unit tests added/updated
• [ ] Internal documentation updated
• [ ] Create a documentation update request here