Update useful-links.html

useful-links.html

@@ -776,6 +776,7 @@ <h2>Community Resources</h2>
 <li><a href="https://www.largeformatphotography.info/forum/">largeformatphotography.info/forum</a> - the Large[-]Format Photography Forum</li>     
 <li><a href="https://www.stackoverflow.com">stackoverflow.com</a> - Stack Overflow</span></li>
 <li><a href="https://photo.stackexchange.com/">photo.stackexchange.com</a> - the Stack Exchange photography forum</li>
+<li><a href="https://www.reddit.com/r/thinkpad">r/thinkpad</a> - the Lenovo Thinkpad subreddit community</li>
 <li><a href="https://www.reddit.com/r/linux/">r/linux</a> - the Linux subreddit community</li>
 <li><a href="https://www.reddit.com/r/mechanicalkeyboards/">r/mechanicalkeyboards</a> - the mechanical-keyboard subreddit community</li>
 <li><a href="https://www.reddit.com/r/fossdroid/">r/fossdroid</a> - the Android-FOSS subreddit community</li>