Feature: mailcow widget (#3993)

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/components.js

@@ -56,6 +56,7 @@ const components = {
   kopia: dynamic(() => import("./kopia/component")),
   lidarr: dynamic(() => import("./lidarr/component")),
   linkwarden: dynamic(() => import("./linkwarden/component")),
+  mailcow: dynamic(() => import("./mailcow/component")),
   mastodon: dynamic(() => import("./mastodon/component")),
   mealie: dynamic(() => import("./mealie/component")),
   medusa: dynamic(() => import("./medusa/component")),