Expose CND via Felix Web Console Plugin

It would be nice to add a Felix Web Console Inventory Printer similar to https://github.com/apache/jackrabbit-oak/blob/29f3393341c30aa44d976d998e5613afb6398a23/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/inventory/IndexPrinter.java which exposes the full CND (https://jackrabbit.apache.org/jcr/node-type-notation.html) of the underlying repository