docs: resolve MD045 warnings by adding alt attributes to README icons

[matteogristina]

Changes & Reason

Changes

• Added alt attributes to the C, C++, JavaScript, and Python language and package icons in the Multi-Language Support section of README.md.
• Added empty alt="" attributes to purely decorative JS and Python icons (lines 134 and 165).

Reason

To resolve MD045 warnings, improving the repository's documentation accessibility.

Related Issues

Fixes: #491

Testing & Verification

• Ran markdownlint-cli locally and verified all MD045 warnings were resolved.
• Rendered README.md to confirm table layout and formatting remained visually unchanged.

Additional Resources

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📝 Walkthrough

Walkthrough

README image tags for language icons and badges now include explicit alt attributes in the Multi-Language Support table and Quick Start sections.

Changes

README accessibility

Layer / File(s)	Summary
Add alt text to README images README.md	Language icons and package badges in the Multi-Language Support table and Quick Start sections now include explicit alt attributes.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• Ryan-Millard/Img2Num#498: Updates related README language image alt text in the same documentation areas.

Suggested labels: documentation

Suggested reviewers: ryan-millard

Poem

A bunny hops through README light,
Adding alt text crisp and bright.
C and Python, JS too,
Badges gain descriptions new.
Hop, hop, accessibility through!

🚥 Pre-merge checks | ✅ 8

✅ Passed checks (8 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the README alt-text accessibility fix and uses the required Conventional Commit prefix.
Description check	✅ Passed	The description matches the README alt-attribute changes and explains the MD045 accessibility motivation.
Linked Issues check	✅ Passed	The PR satisfies #491 by adding appropriate alt text to the affected icon images and resolving MD045 warnings.
Out of Scope Changes check	✅ Passed	The changes stay focused on README alt attributes and do not introduce unrelated modifications.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
No Ai Slop Pr Description	✅ Passed	The PR description names the exact README alt-text changes and the reason (fix MD045/accessibility); remaining template text is standard boilerplate, not slop.
No Strangely-Named Root Markdown Files	✅ Passed	PR diff only changes README.md; no added root-level markdown files appear in the range.
Coderabbit Config Needs Update	✅ Passed	The diff only touches README.md; no new languages, lint/config files, extensions, or CI tooling are introduced, so no .coderabbit.yaml update is needed.

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[Ryan-Millard]

Hi. Welcome to Img2Num!🦔🦔🦔🦔

This looks great! Thank you so much.

It looks like you missed two alt attributes, so please will you update them according to the suggestions I left below. Once that's done this can be merged.

Thanks again. :)

The base branch was changed.

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@README.md`:
- Line 134: Update the JavaScript icon at README.md lines 134-134 and the Python
icon at README.md lines 165-165 to use empty alt text, `alt=""`, so both
decorative Quick Start icons are hidden from assistive technology.

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Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

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📥 Commits

Reviewing files that changed from the base of the PR and between d6ba11a and 495ff15.

📒 Files selected for processing (1)

• README.md

📜 Review details

🧰 Additional context used

📓 Path-based instructions (1)

**/*.md

📄 CodeRabbit inference engine (.editorconfig)

**/*.md: Do not trim trailing whitespace in Markdown files
Use 2-space indentation for Markdown files
Do not enforce maximum line length for Markdown files

Files:

• README.md

🧠 Learnings (1)

📚 Learning: 2026-02-22T15:20:15.304Z

Learnt from: Ryan-Millard
Repo: Ryan-Millard/Img2Num PR: 263
File: docs/docs/internal/core/api-reference.md:13-13
Timestamp: 2026-02-22T15:20:15.304Z
Learning: In Docusaurus projects, Markdown files (*.md, *.mdx) may contain anchor tags with onClick={(e) => { e.preventDefault(); window.location.href = '...'; }} to force a full page navigation, bypassing React SPA routing for static/external paths. Treat this as intentional and do not flag it as redundant in docs contexts. Apply this guidance broadly to Markdown docs across the repository (not just the single file) and focus reviews on more impactful patterns such as accessibility, SEO, and navigation consistency.

Applied to files:

• README.md

🔇 Additional comments (1)

README.md (1)

102-105: LGTM!

[Ryan-Millard]

Thank you! I'm just going to wait for the workflows to run successfully and then I'll merge this.

Have a nice day further!🦔

[Ryan-Millard]

Thank you again for the great contribution!