add envoy-gateway package

[kranurag7]

an implementation of gateway-api powered by envoy.

Pre-review Checklist

For new package PRs only

• [ ] This PR is marked as fixing a pre-existing package request bug
  • [ ] Alternatively, the PR is marked as related to a pre-existing package request bug, such as a dependency
• [x] REQUIRED - The package is available under an OSI-approved or FSF-approved license
• [ ] REQUIRED - The version of the package is still receiving security updates
• [ ] This PR links to the upstream project's support policy (e.g. endoflife.date)

[kranurag7]

[sdk] ❯ wolfictl scan ./packages/aarch64/*.apk
🔎 Scanning "./packages/aarch64/egctl-1.1.0-r0.apk"
✅ No vulnerabilities found
🔎 Scanning "./packages/aarch64/envoy-gateway-1.1.0-r0.apk"
✅ No vulnerabilities found
[sdk] ❯

[kranurag7]

It's a popular project for people using gateway API with kubernetes.

I needed this personally in the past for my small self-hosting setup but as of now, I don't need this. I switched to caddy. :(