feat(Vikunja): Add new service

vikunja/docker-compose.redis.yml

@@ -0,0 +1,16 @@
+version: "3.8"
+
+# https://vikunja.io/docs/config-options/#redis
+
+services:
+  vikunja_api:
+    depends_on:
+      - redis
+    environment:
+      VIKUNJA_CACHE_ENABLED: 'true'
+      VIKUNJA_CACHE_TYPE: redis
+      VIKUNJA_REDIS_ENABLED: 'true'
+
+      VIKUNJA_REDIS_HOST: ${REDIS_CONTAINER_NAME:-redis}:6379 # It's default port because we don't have yet configuration for redis port
+      #VIKUNJA_REDIS_PASSWORD: ${VIKUNJA_REDIS_PASSWORD} # We don't have yet configuration for redis with password
+      VIKUNJA_REDIS_DB: 0 # It's default becouse we don't have yet configuration for redis database name