doc/mod/notification-email: add badges

doc/mod/notification-email.md

@@ -1,6 +1,13 @@
 Send notifications via e-mail
 =============================
 
+[![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
+[![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
+[![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.12-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
+[![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
+
 [⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base