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

roles/loki/defaults/main.yml

@@ -0,0 +1,17 @@
+---
+loki_name: loki
+loki_dir: /srv/docker/loki
+loki_image: grafana/loki:latest
+loki_domain: loki.example.invalid
+loki_service_port: 3100
+loki_routing_mode: host
+loki_command: "-config.file=/etc/loki/local-config.yaml"
+loki_env: {}
+loki_directories:
+  - "{{ loki_dir }}"
+  - /srv/data/loki
+loki_volumes:
+  - /srv/data/loki:/loki
+loki_ports:
+  - { host: 3100, container: 3100, protocol: tcp }
+