add web application deployment guide

[aabedraba]

• change oauth guide to use static-route
• add web-app example guide

This PR...

Changes

-

Fixes

-

Checklist

• [ ] tested locally
• [ ] added new dependencies
• [ ] updated the docs
• [ ] added a test

[netlify[bot]]

✅ Deploy Preview for kusk-docs-preview ready!

Name	Link
🔨 Latest commit	0d8995a32402a8d1a598a6f5cb0de96383ba31d8
🔍 Latest deploy log	https://app.netlify.com/sites/kusk-docs-preview/deploys/638f9dadb132340008cf38d7
😎 Deploy Preview	https://deploy-preview-1006--kusk-docs-preview.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.