post room message on news creation or update

MatrixPlugin.php

@@ -206,7 +206,8 @@ class MatrixPlugin extends StudIPPlugin implements StandardPlugin
                 MatrixClient::get()->postMessage(
                     MatrixAccount::requireSystemAccount(),
                     MatrixRoom::find($range->course->id)->getLinkedRoom(),
-                    $news->topic
+                    'Ankündigung: ' . $news->topic . '' . strip_tags($news->body),
+                    '<strong>Ankündigung: ' . $news->topic . '</strong><br>' . $news->body
                 );
             }
         }

libpatrix @ 19fd4fcb

-Subproject commit 56893e89418f3cc7bb78a73a421055ad56fc619c
+Subproject commit 19fd4fcb03af057641cd7f7e30264957ce3b2378