[IMP] convert accounts listing to interactive

* convert listickles to React widget
* add interactive hooks to introduction/definition paragraphs
* add highlighting to various items based on (2)

todo: ragged bottom edge using a SVG border-image?

conf.py

@@ -265,8 +265,11 @@ texinfo_documents = [
 #texinfo_no_detailmenu = False
 
 def setup(app):
+    app.add_stylesheet('accounting.css')
+    app.add_javascript('prefixfree.min.js')
     app.add_javascript('atom.js')
     app.add_javascript('immutable.js')
     app.add_javascript('react.js')
+    app.add_javascript('accounts.js')
     app.add_javascript('chart-of-accounts.js')
     app.add_javascript('fiscalyear.js')