2.0.0-beta.14

• Improved CSS styles loading by removing fetch() since Discovery can load stylesheets via <link> without FOUC
• Added preload hints (<link rel="preload">) for CSS styles and the main module for a page
• Fixed exposing a path to the cache file in client side options, expose a boolean flag instead
• Replaced --model-data-upload option for --no-model-data-upload for build command
• Improved client side error output on data loading failure