Add (partial) support image buttons.

Add preview for text entry, multi-line support.

Render <select> elements to multi-column menus.

Add support for checkboxes, along with supporting infrastructure.

Add infrastructure for rendering Ginger templates.

Parse labels, aria-describedby, datalists, selects, buttons, & textareas.

Parse <input> tags.

TODO: Parse other form input elements, <datalist>, & <label>.

Add infrastructure for parsing documents.

Assemble testscript as locally-run webserver, adjust namespace.

Start skeleton for Bureaucromancy