feat: add support for highlight whitespace

[pengzhanbo]

Before submitting the PR, please make sure you do the following

• [x] Read the Contributing Guidelines.
• [x] Provide a description in this PR that addresses what the PR is solving. If this PR is going to solve an existing issue, please reference the issue (e.g. close #123).

What is the purpose of this pull request?

• [ ] Bug fix
• [x] New feature
• [ ] Other

Description

• plugin-prismjs
• plugin-shiki

Screenshots

[coveralls]

Pull Request Test Coverage Report for Build 9432579401

Details

• 109 of 110 (99.09%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+2.3%) to 58.42%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
plugins/markdown/plugin-prismjs/src/node/parser/createNotationRule.ts	13	14	92.86%
<!--	Total:	109	110	99.09%	-->

Totals
Change from base Build 9381003398:	2.3%
Covered Lines:	1084
Relevant Lines:	1675

---

💛 - Coveralls

[Mister-Hope]

there are conflicts

[coveralls]

Pull Request Test Coverage Report for Build 9458379004

Details

• 50 of 50 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.6%) to 58.42%

---

Totals
Change from base Build 9454041903:	1.6%
Covered Lines:	1084
Relevant Lines:	1675

---

💛 - Coveralls