Add translate-readme action to translate English into Chinese

[littlejiancc]

Ⅰ. Describe what this PR did

Add translate-readme action to translate English into Chinese

Ⅱ. Does this pull request fix one issue?

none

Ⅲ. Why don't you add test cases (unit test/integration test)?

helm readme doc

Ⅳ. Describe how to verify it

Use deepseek api to test.
action run

Ⅴ. Special notes for reviews

Confirm git commit user.

[CLAassistant]

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2 out of 3 committers have signed the CLA.

✅ littlejiancc
✅ johnlanni
❌ github-actions[bot]
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.61%. Comparing base (ef31e09) to head (e9d3efd).
Report is 292 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1711      +/-   ##
==========================================
+ Coverage   35.91%   43.61%   +7.70%     
==========================================
  Files          69       76       +7     
  Lines       11576    12358     +782     
==========================================
+ Hits         4157     5390    +1233     
+ Misses       7104     6630     -474     
- Partials      315      338      +23     

see 70 files with indirect coverage changes