Add GitHub-style alert/admonition rendering for NOTE/TIP/IMPORTANT/WARNING/CAUTION

[Copilot]

• Inspect current alert icon implementation and confirm target files
• Run existing project validation command(s) before editing
• Replace alert SVG paths with Font Awesome icon paths (note/tip/important/warning/caution)
• Re-run validation to confirm no regressions
• Run automated code review and security scan

Original prompt

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This section details on the original issue you should resolve

<issue_title>Feature Request: Add Support for Admonitions/Alerts 🌀</issue_title>
<issue_description># Overview

This issue requests adding support for GitHub-style admonitions/alerts as part of the Markdown parsing + generation!

Expected Behavior ✔️

The following admonitions/Alerts are correctly parsed and displayed in Markdown Viewer:

[!NOTE]
Useful information that users should know, even when skimming content.

[!TIP]
Helpful advice for doing things better or more easily.

[!IMPORTANT]
Key information users need to know to achieve their goal.

[!WARNING]
Urgent info that needs immediate user attention to avoid problems.

[!CAUTION]
Advises about risks or negative outcomes of certain actions.

Current Behaior ⚠️

Admonitions/Alerts are displayed as raw text (shared Link/example):

Notes + Possible Options ⚙️

• Marked Discussion → marked-admonition-extension

• Alternative styles (likely out-of-scope!)

  • MkDocs Material / Python-Markdown
  • Docusarus

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[!IMPORTANT]

Thank you for creating this viewer!

Didn't find any related issues/PR's so figured I'd create this one to collect notes + ideas...</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Feature Request: Add Support for Admonitions/Alerts 🌀 #51

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Project	Deployment	Actions	Updated (UTC)
markdown-viwer	Ready	Preview, Comment	Mar 25, 2026 11:38am

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[cloudflare-workers-and-pages]

Deploying markdownviewer with    Cloudflare Pages

Latest commit:	60981e9
Status:	✅  Deploy successful!
Preview URL:	https://d2b58d40.markdownviewer.pages.dev
Branch Preview URL:	https://copilot-add-support-for-admo.markdownviewer.pages.dev

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