Fixed some small out of date info

contact.html

@@ -13,7 +13,7 @@
 <h4>Here are some ways to get in touch with me.</h4>
 Signal: @alek.69<br>
 Threema: VJDX9X66<br>
-Matrix: purplebored(at)whatever.social<br>
+Matrix: purplebored:ari.t<br>
 Email: root(at)purplebored.pl<br>
 XMPP: niko(at)telepath.im<br>
 <p>I would prefer to be contacted by Email Or XMPP the other options are fine but I check email and XMPP the most.</p>