docs: fixes escaping of backticks in CONTRIBUTING.md

[anguspiv]

fixes #283

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	0%	0 / 290
🔵	Statements	0%	0 / 290
🔵	Functions	0%	0 / 7
🔵	Branches	0%	0 / 7

File Coverage

No changed files found.

Generated in workflow #72 for commit ab6e2a7 by the Vitest Coverage Report Action

[netlify]

✅ Deploy Preview for serene-ride-008670 ready!

Name	Link
🔨 Latest commit	ab6e2a7
🔍 Latest deploy log	https://app.netlify.com/sites/serene-ride-008670/deploys/676cb02331d7060008ae17b2
😎 Deploy Preview	https://deploy-preview-287--serene-ride-008670.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 100 Accessibility: 100 Best Practices: 100 SEO: 91 PWA: - View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify site configuration.