feat: use pangu to add padding between chinese and english

[birdgg]

WHAT

🤖 Generated by Copilot at aee2e8c

This pull request adds a new plugin, remarkPangu, to the src/markdown directory. The plugin improves the readability of markdown content by inserting spaces between Chinese and English text.

🤖 Generated by Copilot at aee2e8c

Oh, we're the coders of the sea, and we write our markdown free
But we like to keep it tidy, so we use remarkPangu
On the count of three, we insert a space, between the languages we embrace
And we sing this shanty proudly, as we use remarkPangu

WHY

There is no space in Chinese and English typesetting now。

So I copied and modified remark-pangu

Bug
Currently, Pangu tends to add padding to link text as well. vincentbel/remark-pangu#21

HOW

🤖 Generated by Copilot at aee2e8c

• Import and apply remarkPangu plugin to add spaces between Chinese and English characters in markdown content (link, link)
• Create src/markdown/remark-pangu.ts module to export remarkPangu plugin (link)

CLAIM REWARDS

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Name	Status	Preview	Comments	Updated (UTC)
xlog	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 22, 2023 4:23pm

[DIYgod]

Thanks so much!