kubernetes: first version of demo running in EONERC kubernetes

kubernetes/Makefile

kubernetes/backend-deployment.yaml

kubernetes/backend-files-persistentvolumeclaim.yaml

kubernetes/backend-service.yaml

kubernetes/broker-deployment.yaml

kubernetes/broker-service.yaml

kubernetes/controller-deployment.yaml

kubernetes/database-deployment.yaml

kubernetes/database-persistentvolumeclaim.yaml

kubernetes/database-service.yaml

kubernetes/frontend-deployment.yaml

kubernetes/frontend-service.yaml

kubernetes/ingress.yaml

kubernetes/mongo-express-deployment.yaml

kubernetes/mongo-express-service.yaml

kubernetes/nginx-claim0-persistentvolumeclaim.yaml

kubernetes/nginx-deployment.yaml

kubernetes/nginx-ingress.yaml

kubernetes/nginx-service.yaml

kubernetes/node-data-persistentvolumeclaim.yaml