Powershell multiline endings

Change the \ characters to ` for helm install commands when creating an internal ingress.

Author: wandrewromano

articles/aks/ingress-basic.md

@@ -253,8 +253,8 @@ helm install ingress-nginx ingress-nginx/ingress-nginx `
     --set controller.image.tag=$ControllerTag `
     --set controller.image.digest="" `
     --set controller.admissionWebhooks.patch.nodeSelector."kubernetes\.io/os"=linux `
-    --set controller.service.loadBalancerIP=10.224.0.42 \
-    --set controller.service.annotations."service\.beta\.kubernetes\.io/azure-load-balancer-internal"=true \
+    --set controller.service.loadBalancerIP=10.224.0.42 `
+    --set controller.service.annotations."service\.beta\.kubernetes\.io/azure-load-balancer-internal"=true `
     --set controller.service.annotations."service\.beta\.kubernetes\.io/azure-load-balancer-health-probe-request-path"=/healthz `
     --set controller.admissionWebhooks.patch.image.registry=$AcrUrl `
     --set controller.admissionWebhooks.patch.image.image=$PatchImage `