remove istio helm templates and add integration in _helpers.tpl

README.md

deployment/helm/.helmignore

deployment/helm/Chart.yaml

deployment/helm/templates/_helpers.tpl

deployment/helm/templates/argocd/argo-application.yaml

deployment/helm/templates/argocd/argo-project.yaml

deployment/helm/templates/deployment.yaml

deployment/helm/templates/istio/autorization-rules.yaml

deployment/helm/templates/istio/gateway.yaml

deployment/helm/templates/istio/virtual-service.yaml

deployment/helm/values.yaml