Initialise repository structure and placeholder files. Generic functionality works i guess, need to come up with a better solution for compose templates

roles/grafana/defaults/main.yml

@@ -0,0 +1,17 @@
+---
+grafana_name: grafana
+grafana_dir: /srv/docker/grafana
+grafana_image: grafana/grafana-oss:latest
+grafana_domain: grafana.example.invalid
+grafana_service_port: 3000
+grafana_routing_mode: "{{ nbops_service_routing_mode }}"
+grafana_env:
+  GF_SECURITY_ADMIN_PASSWORD: "{{ vault_grafana_admin_password | default('CHANGE_ME_IN_VAULT') }}"
+grafana_directories:
+  - "{{ grafana_dir }}"
+  - /srv/data/grafana
+grafana_volumes:
+  - /srv/data/grafana:/var/lib/grafana
+grafana_ports:
+  - { host: 3000, container: 3000, protocol: tcp }
+