riot logo. not actually, needs someone who does svg stuff

_config.yml

@@ -107,7 +107,7 @@ social_links: # Appears in sidebar. Set the urls then uncomment and comment out
   #TODO: sollte auch relativ zur baseurl
   RSS: /feed.xml
   Email: "mailto:info@chaotikum.org"
-  Riot: "https://riot.im/app/#/room/#nbsp:matrix.org"
+  riot: "https://riot.im/app/#/room/#nbsp:matrix.org"
 
 sharing_links: # Appear at the bottom of single blog posts, uncomment and comment out as desired. Colours set the button colour
   Twitter: "#1DA1F2"

_includes/site-icons.svg

@@ -22,4 +22,5 @@
   <symbol id="link" viewBox="0 0 16 16"><path d="M5.86 12.7l-.81.8c-.7.7-1.84.7-2.54 0a1.75 1.75 0 0 1 0-2.5l2.98-2.96c.61-.61 1.77-1.52 2.62-.68a1 1 0 1 0 1.4-1.4c-1.44-1.43-3.57-1.17-5.42.67L1.1 9.6a3.72 3.72 0 0 0 0 5.32 3.78 3.78 0 0 0 5.34 0l.8-.8a1 1 0 1 0-1.39-1.42zm9.03-11.5c-1.55-1.53-3.7-1.6-5.14-.19l-1 1a1 1 0 1 0 1.39 1.41l1-1c.75-.74 1.72-.43 2.35.2a1.75 1.75 0 0 1 0 2.5l-3.17 3.15c-1.46 1.45-2.14.77-2.43.48a1 1 0 0 0-1.4 1.4c.67.67 1.43 1 2.23 1 .98 0 2.01-.5 3-1.47l3.17-3.15a3.72 3.72 0 0 0 0-5.32z"/></symbol>
   <symbol id="email" viewBox="0 0 16 11"><path fill-rule="evenodd" d="M1.33 0h13.34L8 5 1.33 0zM16 0v11H0V0l8 6 8-6z"/></symbol>
   <symbol id="nav" viewBox="0 0 16 11"><path d="M0 12h16v-2H0v2zm0-5h16V5H0v2zm0-7v2h16V0H0z"/></symbol>
-</svg>
+  <symbol id="riot" viewBox="0 0 16 11"><path d="m61.6,0l-40.8,0c-0.1,0 -0.2,0 -0.3,0c-11.3,0 -20.5,9.2 -20.5,20.6l0,102.9c0,11.3 9.2,20.5 20.6,20.5c11.3,0 20.6,-9.2 20.6,-20.6l0,-20.6l20.5,0c28.3,0 51.4,-23.1 51.4,-51.4s-23.1,-51.4 -51.5,-51.4"  fill-rule="nonzero">
+  </svg>