added netlify.toml, adjusted config.toml for proper netlify url

[netlify[bot]]

✅ Deploy Preview for csharp-web-dev-curriculum ready!

Name	Link
🔨 Latest commit	d90d8ed70ff531744f117908d18e2fde6b145bc5
🔍 Latest deploy log	https://app.netlify.com/sites/csharp-web-dev-curriculum/deploys/63fe5a8bc8030d0008dff740
😎 Deploy Preview	https://deploy-preview-22--csharp-web-dev-curriculum.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

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