feat: Add go-user-library redirect via traefik

[susilnem]

Changes

• Decouples the go-user-library.ifrc.org redirect from the go-api deployed via the toggle-corpraw chart. (https://github.com/toggle-corp/helm-charts/tree/main/toggle/raw)
• TODO: Remove the existing redirect from nginx (go-api)
  • Link: https://github.com/IFRCGo/go-api/blob/ded7fc2628c440b06b7a64f001b0a09fd71028b3/deploy/helm/ifrcgo-helm/templates/api/ingress.yaml#L51

Template:

# Source: raw/templates/resources.yaml
apiVersion: v1
kind: Service
metadata:
  labels:
    app: raw
    chart: raw-v0.1.0
    heritage: Helm
    release: go-user-library
  name: go-user-library-placeholder
spec:
  ports:
  - port: 80
    targetPort: 80
---
# Source: raw/templates/resources.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    traefik.ingress.kubernetes.io/router.middlewares: default-go-user-library-redirect@kubernetescrd
  labels:
    app: raw
    chart: raw-v0.1.0
    heritage: Helm
    release: go-user-library
  name: go-user-library-ingress
spec:
  ingressClassName: traefik
  rules:
  - host: go-user-library.ifrc.org
    http:
      paths:
      - backend:
          service:
            name: go-user-library-placeholder
            port:
              number: 80
        path: /
        pathType: Prefix
  tls:
  - hosts:
    - go-user-library.ifrc.org
    secretName: ifrcgo-helm-secret-api-cert

---
# Source: raw/templates/resources.yaml
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  labels:
    app: raw
    chart: raw-v0.1.0
    heritage: Helm
    release: go-user-library
  name: go-user-library-redirect
spec:
  redirectRegex:
    permanent: true
    regex: ^.*
    replacement: https://www.chromatic.com/library?appId=66557be6b68dacbf0a96db23&branch=develop