feat: develop Tetragon Enterprise page

[annaindistress]

Describe what changes this pull request brings

• Add Enterprise page
• Update Welcome to the community! section

Steps to check:

1. Open preview
2. Make sure that everything looks and works as expected

[netlify[bot]]

✅ Deploy Preview for tetragon ready!

Name	Link
🔨 Latest commit	2714f0f574a67482ad715179edf1acd77766c855
🔍 Latest deploy log	https://app.netlify.com/sites/tetragon/deploys/674358134b66620008e74049
😎 Deploy Preview	https://deploy-preview-3103--tetragon.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 configuration.