[Temporary?] place to hold DUI design decisions and architecture notes.

# CSS theme loader

TODO: document

# ES5 native accessors

TODO: merge from wkeese/accessors branch

# Observation

TODO: merge from wkeese/accessors branch

# Reactive templates

TODO: merge from wkeese/handlebars branch

# Custom elements

TODO: implement and document
Add [temporary?] file for listing architecture notes and design decisions.
Add [temporary?] file for listing architecture notes and design decisions.
