Added ssl-cert-check

- signed-off-by: crypt0rr <57799908+crypt0rr@users.noreply.github.com>

README.md

@@ -278,6 +278,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/square/certstrap"><b>certstrap</b></a> - tools to bootstrap CAs, certificate requests, and signed certificates.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/yassineaboukir/sublert"><b>Sublert</b></a> - is a security and reconnaissance tool to automatically monitor new subdomains.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/trimstray/mkchain"><b>mkchain</b></a> - open source tool to help you build a valid SSL certificate chain.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Matty9191/ssl-cert-check"><b>ssl-cert-check</b></a> - SSL Certification Expiration Checker.<br>
 </p>
 
 ##### :black_small_square: Security