chore: add github action that generates kong.conf

[fabianrbz]

Description

Add a gh action that updates kong.conf

Preview Links

Checklist

• Tested how-to docs. If not, note why here.
• All pages contain metadata.
• Any new docs link to existing docs.
• All autogenerated instructions render correctly (API, decK, Konnect, Kong Manager).
• Style guide (capitalized gateway entities, placeholder URLs) implemented correctly.
• Every page has a description entry in frontmatter.
• Add new pages to the product documentation index (if applicable).

[netlify]

✅ Deploy Preview for kongdeveloper ready!

Name	Link
🔨 Latest commit	16484f0
🔍 Latest deploy log	https://app.netlify.com/projects/kongdeveloper/deploys/69257547c5c8e50008d2e337
😎 Deploy Preview	https://deploy-preview-3543--kongdeveloper.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 project configuration.