I'd like to create and distribute a notebook that functions very much like the help window that appears in Mathematica to provide documentation about functions, tutorials, and etc., but my content would be an entirely different subject. In particular, I'd like the search functionality, hierarchical breadcrumb links across the top, styling ands sectioning, cross-referencing, right-click access from a different notebook, etc.
I get that a lot of this is probably hand-coded into each page, but there must be serious infrastructure in the notebook, and I'd like to mimic it. Does that help system exist as a single notebook somewhere, or is it a more distributed system?
Any suggestions or pointers would be welcome.