【PaddleNLP No.2】Add finetune tutorial

[hanlintang]

PR types

Others

PR changes

Docs

Description

大模型微调新手文档
Add:
llm/docs/finetune_tutorial.md
docs/zh/llm/docs/finetune_tutorial.md

Issue: #9763

@DrownFish19

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.91%. Comparing base (ddcb722) to head (570d134).
Report is 11 commits behind head on develop.

❌ Your project check has failed because the head coverage (46.91%) is below the target coverage (58.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #10625      +/-   ##
===========================================
- Coverage    46.94%   46.91%   -0.04%     
===========================================
  Files          799      799              
  Lines       132348   132454     +106     
===========================================
+ Hits         62137    62138       +1     
- Misses       70211    70316     +105     

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[ZHUI]

https://github.com/PaddlePaddle/PaddleNLP/blob/develop/docs/zh/index.rst?plain=1#L126-L131 这些文档，可否在这里加一些 index 页面。使得 官网可以展示这些 教程。https://paddlenlp.readthedocs.io/zh/latest/tutorials/overview.html

可以通过 CI 显示文档预览。
docs/readthedocs.org:paddlenlp