Order support options alphabetically

Fixes https://github.com/prometheus/prometheus/issues/4080Signed-off-by: Julius Volz <julius.volz@gmail.com>

content/community.html

@@ -73,15 +73,16 @@ title: Community
     <p>
       This is a list of third-party companies and individuals who provide products 
       or services related to Prometheus. Prometheus is an independent open source 
-      project which does not endorse any company.
+      project which does not endorse any company. The list is provided in alphabetical
+      order.
     </p>
     <ul>
-      <li><a href="https://www.robustperception.io">Robust Perception</a></li>
-      <li><a href="https://juliusv.com">Julius Volz</a> (independent contractor)</li>
       <li><a href="https://container-solutions.com">Container Solutions</a></li>
-      <li><a href="https://tincho.org">Martín Ferrari</a> (independent contractor)</li>
-      <li><a href="https://kausal.co">Kausal</a></li>
       <li><a href="https://fabxc.org">Fabian Reinartz</a> (independent contractor)</li>
+      <li><a href="https://juliusv.com">Julius Volz</a> (independent contractor)</li>
+      <li><a href="https://kausal.co">Kausal</a></li>
+      <li><a href="https://tincho.org">Martín Ferrari</a> (independent contractor)</li>
+      <li><a href="https://www.robustperception.io">Robust Perception</a></li>
       <li><a href="https://sysdig.com/product/prometheus-support/">Sysdig</a></li>
     </ul>