init-project only creates composer and db caches when docker isn't running

[GMSteuart]

Issue: the check for cached volumes is based off whether or not docker is running. In most cases, docker is started on boot, and cached volumes would never be created

Expected: the check for cached volumes to be based off whether those volumes exist or not

Commands Ran:

$ fin docker volume ls
$ fin docker volume ls | grep composer_cache
$ fin docker volume ls | grep db_backup

Expected to see composer_cache and db_backup listed