ICMP plugin 🆕

front/plugins/icmp_scan/README.md

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+## Overview
+
+Plugin for pinging existing devices via the [ping](https://linux.die.net/man/8/ping) network utility. The devices have to be accessible from the container. You can use this plugin with other suplementing plugins as described in the [subnets docs](https://github.com/jokob-sk/NetAlertX/blob/main/docs/SUBNETS.md).
+
+### Usage
+
+- Check the Settings page for details.