feat(comark): add punctuation plugin

[arashsheyda]

closes #108

this PR adds a new punctuation plugin that transforms common plain-text punctuation patterns into their typographically correct Unicode characters in a single O(n) pass with no regex

"text" => \u201Ctext\u201D (smart double quotes)
'text' => \u2018text\u2019 (smart single quotes)
don't => don\u2019t (apostrophe)
-- => \u2013 (en-dash)
--- => \u2014 (em-dash)
... => \u2026 (ellipsis)
+- => \u00B1
(c)(r)(tm) => \u00A9 \u00AE \u2122

this would be the first irritation, we can improve and add more features:

• fractions: 1/2 becomes ½
• localization
  • for example French has different rules I believe "Bonjour" becomes « Bonjour » @atinux is that right?
  • or Persian: we could convert the numbers, or the Zero-Width Non-Joiner or ك to ک

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commit: 5dbe1e6

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Project	Deployment	Actions	Updated (UTC)
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[farnabaz]

Great 👍
Thanks for the PR, I was just thinking that it would be better in docs to show the replacements too

Smart quotes: "text" → ” text\u201D,” 'text' → \u2018text\u2019
                                                ^---- we show rendered version too
Dashes: -- → \u2013 (en-dash), --- → \u2014 (em-dash)
Ellipsis: ... → \u2026
Symbols: (c) → \u00A9, (r) → \u00AE, (tm) → \u2122, +- → \u00B1

And here:

WDYT?

[arashsheyda]

updated

[farnabaz]

Thanks 👍