[Feature]: Gateway API

[tuunit]

📝 Description

We want to support Gateway API in future releases for this some minor code changes and quite a few catalog changes will be necessary.

🎯 Use Case

Alternative to Ingress

📎 Additional Context

Traefik supports Gateway API:

https://doc.traefik.io/traefik/reference/install-configuration/providers/kubernetes/kubernetes-gateway/

https://github.com/kubara-io/catalogs/tree/main/general/platform-configs/helm/traefik

Furthermore, some code changes will be necessary:

Generalized networking block instead of the IngressClassName
https://github.com/kubara-io/kubara/blob/main/src/internal/config/types.go#L62
https://github.com/kubara-io/kubara/blob/main/src/internal/service/types.go#L17-L19

✅ Checklist

• I have searched existing issues
• This is not a duplicate