Cache updates (#7388)

* Add redis container to development setup

* Improve configurability of global cache:

- Push configuration into separate file

* Settings cache default depends on global cache configuration

* Update docker compose file

* Remove debug flag

* Allow caching for registry checks

* Cleanup docstring

* Adjust defautl behaviour

* Update docs for caching

* Adjust default docker compose file

* Update docs for devcontainer

* Cleanup config template file

* Update docker docs

* Update cache behaviour

contrib/container/docker-compose.yml

@@ -53,14 +53,9 @@ services:
         restart: unless-stopped
 
     # redis acts as database cache manager
-    # only runs under the "redis" profile : https://docs.docker.com/compose/profiles/
     inventree-cache:
         image: redis:7.0
         container_name: inventree-cache
-        depends_on:
-            - inventree-db
-        profiles:
-            - redis
         env_file:
             - .env
         expose: