docs：更新文档

node_modules/markdown-it-table-of-contents/test/fixtures/empty.html

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+<p><div class="table-of-contents"><ul></ul></div></p>

node_modules/markdown-it-table-of-contents/test/fixtures/full-toc-sample-result.html

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+<p>Some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#heading-2">Heading 2</a></li></ul><ul><li><a href="#heading-1">Heading 1</a></li></ul></div></p>
+<h2 id="heading-2">Heading 2</h2>
+<p>Some nice text</p>
+<h1 id="heading-1">Heading 1</h1>
+<p>Some text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/full-toc-sample.md

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+Some text with soft break before toc  
+[[toc]]
+
+## Heading 2
+Some nice text
+
+# Heading 1
+Some text

node_modules/markdown-it-table-of-contents/test/fixtures/simple-1-level.html

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+<h1>An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></div></p>
+<h2>Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2>Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-default.html

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+<h1>An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2>Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2>Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-anchors.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-header-footer.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><div class="header">Contents</div><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul><div class="footer">Footer</div></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-transform-link.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article&type=test">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E&type=test">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2&type=test">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple.md

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+# An article
+some text with soft break before toc  
+[[toc]]
+
+## Sub heading <span>1</span>
+Some nice text
+
+## Sub heading 2
+Some even nicer text