- sitemaps are now generated in the entrypoint script

- ingress also listens on port 80
- nginx redirects to https except for path: repository/oai

variables to enable use of Kubernetes secrets
- fixed TLS use in ingress
- removed http/https redirect from nginx conf

files

- edited nginx conf to point to dspace container
- merged dspace and tomcat containers
- fixed https://github.com/ufal/clarin-dspace/issues/782 locally