[feat]: add CleanTagsPreExtractor

[e06084]

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Motivation

1. 增加了HTMLFileFormatCleanTagsPreExtractor类用来处理自定义的需要去除的隐藏节点；
2. 使用方法：pre_extractor中开启：llm_web_kit.extractor.html.pre_extractor.HTMLFileFormatCleanTagsPreExtractor；
3. 新增自定义需要删除的tag，在llm_web_kit/extractor/config.py中INVISIBLE_TAGS添加；

Modification

Please briefly describe what modification is made in this PR.

BC-breaking (Optional)

Does the modification introduce changes that break the backward compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here and update the documentation.

Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with those projects.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

@@            Coverage Diff             @@
##              dev     #278      +/-   ##
==========================================
- Coverage   90.68%   89.24%   -1.44%     
==========================================
  Files         116       81      -35     
  Lines        6914     5506    -1408     
==========================================
- Hits         6270     4914    -1356     
+ Misses        644      592      -52     

Files with missing lines	Coverage Δ
llm_web_kit/extractor/config.py	100.00% <100.00%> (ø)
llm_web_kit/extractor/html/magic_html/config.py	100.00% <ø> (ø)
llm_web_kit/extractor/html/pre_extractor.py	93.93% <100.00%> (ø)
llm_web_kit/libs/html_utils.py	93.40% <100.00%> (+0.81%)	⬆️

... and 49 files with indirect coverage changes

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[yogacc33]

HTMLFileFormatCleanTagsPreExtractor 是extractor全局的操作吗，需要在test_extractor_chain.py和test_extractor_chain_normal.py中测试吗？

[e06084]

HTMLFileFormatCleanTagsPreExtractor 是extractor全局的操作吗，需要在test_extractor_chain.py和test_extractor_chain_normal.py中测试吗？

最好需要，我来加一下

[e06084]

HTMLFileFormatCleanTagsPreExtractor 是extractor全局的操作吗，需要在test_extractor_chain.py和test_extractor_chain_normal.py中测试吗？

测试用例加好了，帮忙再review一下哈 @yogacc33