Reorg how_to.md and model_analysis.md

[xin-li-67]

Motivation

MMSIG-79: 将 docs/en/how_to.md 内容整理到 docs/en/advanced_guides/model_analysis.md ，将 docs/zh_cn/how_to.md 内容整理到 docs/zh_cn/advanced_guides/model_analysis.md

Modification

docs/en/advanced_guides/model_analysis.md
docs/en/how_to.md
docs/zh_cn/advanced_guides/model_analysis.md
docs/zh_cn/how_to.md

BC-breaking (Optional)

Use cases (Optional)

Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit tests to ensure correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• CLA has been signed and all committers have signed the CLA in this PR.

[Tau-J]

how_to.md 中 分析训练日志 的部分也请加入到 model_analysis.md 中。

[xin-li-67]

how_to.md 中 分析训练日志 的部分也请加入到 model_analysis.md 中。

updated in the latest commit!