feat(datastore): support backup and restore

[jialeicui]

Description

TODO: prevent race condition issues in the datastore during operations.

Modules

• UI
• Controller
• Agent
• Client
• Python-SDK
• Others

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

❌ Patch coverage is 75.20325% with 61 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.81%. Comparing base (cd671cb) to head (10c01c2).
⚠️ Report is 22 commits behind head on main.

Files with missing lines	Patch %	Lines
...tarwhale/mlops/datastore/backup/BackupManager.java	82.35%	22 Missing and 14 partials ⚠️
...va/ai/starwhale/mlops/api/DataStoreController.java	0.00%	19 Missing ⚠️
...java/ai/starwhale/mlops/datastore/backup/Meta.java	25.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3119      +/-   ##
============================================
- Coverage     91.60%   82.81%   -8.79%     
- Complexity        0     3224    +3224     
============================================
  Files           142      577     +435     
  Lines         16442    32335   +15893     
  Branches         61     1899    +1838     
============================================
+ Hits          15062    26779   +11717     
- Misses         1378     4715    +3337     
- Partials          2      841     +839     

Flag	Coverage Δ
console	72.09% <ø> (ø)
controller	73.45% <73.81%> (?)
standalone	92.11% <100.00%> (+0.25%)	⬆️
unittests	91.85% <100.00%> (+0.24%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.