Remove Twitter links

README.md

@@ -5,7 +5,8 @@ Build state:
 
 [![Chat on Slack](https://img.shields.io/badge/Chat-on%20Slack-blue)](https://join.slack.com/t/pi4j/shared_invite/zt-1ttqt8wgj-E6t69qaLrNuCMPLiYnBCsg)
 [![Site](https://img.shields.io/badge/Website-pi4j.com-green)](https://pi4j.com)
-[![Twitter Follow](https://img.shields.io/twitter/follow/pi4j?label=Pi4J&style=social)](https://twitter.com/pi4j)
+[![Mastodon](https://img.shields.io/badge/Mastodon-blue?logo=mastodon&logoColor=white)](https://foojay.social/@pi4j)
+[![LinkedIn](https://img.shields.io/badge/LinkedIn-blue?logo=linkedin&logoColor=white)](https://www.linkedin.com/company/pi4j/)
 
 Sources of [the documentation website of the Pi4J project](https://www.pi4j.com).
 

config.toml

@@ -116,9 +116,9 @@ url = "https://foojay.social/@pi4j"
 weight = 15
 
 [[menu.shortcuts]]
-name = "<i class='fab more-tag fa-twitter'></i> Twitter @pi4j"
-identifier = "twitter"
-url = "https://twitter.com/pi4J"
+name = "<i class='fab more-tag fa-linkedin'></i> LinkedIn @pi4j"
+identifier = "linkedin"
+url = "https://www.linkedin.com/company/pi4j/"
 weight = 20
 
 [[menu.shortcuts]]