BASE : watermark instance renamed to toc

Author: VitSimon

_base/plugins-config/puiWatermark_toc.cfg

@@ -1,3 +1,4 @@
 PARENT|sp-downP-TopicTree
 IMAGEPATH|https://avatars.githubusercontent.com/u/214681531?s=200&v=4
-CSSADD|width: 50%; height: 50%;
+CSSADD|width: 50%; height: 50%;
+CSSCLASS|wmarktoc