Update Customise TiddlyWiki.tid

Not all tiddlers in TabbedTOC contain the complete information.
See discussion in the group https://groups.google.com/d/msg/tiddlywiki/GiOcL5vVJj4/qzVueMtzvqsJ

editions/tw5.com/tiddlers/customising/Customise TiddlyWiki.tid

@@ -4,3 +4,6 @@ created: 201409041016
 modified: 201409041016
 list: [[Initial customisation]]
 
+Information about customising TiddlyWiki
+
+<<list-links "[tag[Customise TiddlyWiki]]">>