Add calibre and calibre-web to stack

roles/docker/templates/calibre-compose.yml.j2

@@ -0,0 +1,24 @@
+---
+services:
+  calibre-web:
+    image: lscr.io/linuxserver/calibre-web:latest
+    container_name: calibre-web
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Etc/UTC
+      - DOCKER_MODS=linuxserver/mods:universal-calibre #optional
+      - OAUTHLIB_RELAX_TOKEN_SCOPE=1 #optional
+    volumes:
+      - config:/config
+      - books:/books
+    restart: unless-stopped
+volumes:
+  config:
+    driver: local
+  books:
+    driver: local
+networks:
+  default:
+    external: true
+    name: lava