Add App::Boutique::Util with validate() and delayed()
Using Mandel to build the Core

  - Add Document::Asset
  - Add Document::User
  - Add /perldoc (using Mojolicious::Plugin::PODRenderer)
  - Using validate() and delayed() in Core and Builder
  - Renamed product params from POST
  - Will not save image data from POST
  - Messing around with css
  - Improved documentation