Adding trade mark mention

Author: Poolitzer

_includes/press_download-license-warning.html

@@ -1,4 +1,5 @@
 <div class="alert alert-warning download-license-warning" role="alert">
     <span class="glyphicon glyphicon-alert" aria-hidden="true"></span>
-    <span>With downloading a media file from this website you agree with using it in terms of the given license.</span>
-</div>
+    <span>With downloading a media file from this website you agree with using it in terms of the given license. <br/>
+    Also note that there is a word trade mark for NewPipe with a <a href="https://newpipe-ev.de/policy/trademark.html">usage policy</a>.</span>
+</div>