feat(mailcow): Add mailcow restart script

mailcow_reload.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+declare mc_compose_project_name="${1:-mailcowdockerized}"
+if systemctl --quiet is-active docker.service; then
+    for prefix in postfix nginx dovecot; do
+        app="${mc_compose_project_name}"'-'"${prefix}"'-mailcow-1'
+        if [ "$( docker container inspect -f '{{.State.Running}}' "${app}" 2> /dev/null )" = "true" ]; then
+            docker restart "$(docker ps -qaf name="${app}")"
+        fi
+    done
+fi