feat: Use marked instead of mdast-util-from-markdown

[sidharthv96]

📑 Summary

This will remove 33 dependencies pulled down by mdast-util-from-markdown. marked has 0 dependencies.

Before	After

mermaid's dependency count will go from 102 to 69

Bundle size difference

File	Previous Size	New Size	Difference	% Change
mermaid.min.js	2.19 MB (2295094 Bytes)	2.17 MB (2271841 Bytes)	22.71 KB (-23253 Bytes)	-1.02%

📏 Design Decisions

Dependency Graphs

• mermaid
• marked
• mdast-util-from-markdown

Removed

📋 Tasks

Make sure you

• 📖 have read the contribution guidelines
• 💻 have added necessary unit/e2e tests.
• 📓 have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
• 🔖 targeted develop branch

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 22 lines in your changes missing coverage. Please review.

Project coverage is 5.86%. Comparing base (4bb75e5) to head (8b5b1d4).

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #5636      +/-   ##
==========================================
- Coverage     5.86%   5.86%   -0.01%     
==========================================
  Files          273     274       +1     
  Lines        41075   41087      +12     
  Branches       512     488      -24     
==========================================
  Hits          2408    2408              
- Misses       38667   38679      +12     

Flag	Coverage Δ
unit	5.86% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
packages/mermaid/src/rendering-util/createText.ts	0.00% <0.00%> (ø)
scripts/size.ts	0.00% <0.00%> (ø)
...mermaid/src/rendering-util/handle-markdown-text.ts	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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Build	Status	Details	Updated (UTC)
default (Inspect)	✅ No changes detected	-	Jul 13, 2024, 5:16 PM

[sidharthv96]

There are some interesting discussions going on in the e18e Discord thread, regarding using a custom parser. So if anyone is interested in giving that a shot, we are open to it, as long as the code is not too complex / difficult to maintain.