feat: add Ingress and Service configurations for nginx deployment, and implement MetalLB and Traeik installation scripts

refactor: remove obsolete Traefik installation script

feat: add environment checks and configurations for Vagrant setup, including dnsmasq  MetalLB  and ingress

vagrant/dev/ubuntu/scripts/install_traefik.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+# Exit immediately if a command exits with a non-zero status.
+set -e
+
+TMPFILE=$(mktemp)
+trap 'rm -f "$TMPFILE"' EXIT
+
+cat > "$TMPFILE" <<EOF
+ingressClass:
+  enabled: true
+  isDefaultClass: true
+ports:
+  web:
+    port: 80
+  websecure:
+    port: 443
+  traefik:
+
+    port: 9000
+api:
+  dashboard: true
+  insecure: true
+ingressRoute:
+  dashboard:
+    enabled: true
+ping: true
+log:
+  level: INFO
+service:
+  enabled: true
+  type: LoadBalancer
+  annotations: {}
+  ports:
+    web:
+      port: 80
+      protocol: TCP
+      targetPort: web
+    websecure:
+      port: 443
+      protocol: TCP
+      targetPort: websecure
+EOF
+
+if helm status traefik --namespace traefik &> /dev/null; then
+  echo "Traefik is already installed in the 'traefik' namespace. Upgrading..."
+  helm upgrade traefik traefik/traefik --namespace traefik -f "$TMPFILE"
+else
+  echo "Installing Traefik..."
+  helm repo add traefik https://traefik.github.io/charts
+  helm repo update
+  # Using --create-namespace is good practice, though traefik will always exist.
+  helm install traefik traefik/traefik --namespace traefik --create-namespace -f "$TMPFILE"
+fi
+
+# Apply the TLS store configuration
+kubectl apply -f k8s/traefik-tlsstore.yaml
+if [ $? -ne 0 ]; then
+    echo "Failed to apply TLS store configuration."
+    exit 1
+fi
+
+
+echo
+echo "To access the dashboard:"
+echo "kubectl port-forward -n traefik \$(kubectl get pods -n traefik -l \"app.kubernetes.io/name=traefik\" -o name) 9000:9000"
+echo "Then visit http://localhost:9000/dashboard/ in your browser"
+