Add GITHUB_EXCLUDED_ORGS support for organization filtering

docker-compose.yml

@@ -35,6 +35,7 @@ services:
       # GitHub/Gitea Mirror Config
       - GITHUB_USERNAME=${GITHUB_USERNAME:-}
       - GITHUB_TOKEN=${GITHUB_TOKEN:-}
+      - GITHUB_EXCLUDED_ORGS=${GITHUB_EXCLUDED_ORGS:-}
       - SKIP_FORKS=${SKIP_FORKS:-false}
       - PRIVATE_REPOSITORIES=${PRIVATE_REPOSITORIES:-false}
       - MIRROR_ISSUES=${MIRROR_ISSUES:-false}