GENERAL
- Added webpack compiler for Sass and JS. Use the command `npm run dev` to launch a browsersync server and `npm run prod` to create minified version.
CSS and HTML
- Changed the folder organization for Sass files to be tidier.
- Changed the default color palette to pastel instead of bright.
- Changed grid markup from `<h-grid>` to <div data-grid>
- Changed column markup from `class="large-8 small-6"` to `data-column="8-4"`
- Changed tile markup from `<h-tile class="large-3 small-2 xsmall-1">` to <div data-tile="3-2-1">
GUTENBERG
- Removed the code that disable native Gutenberg styling.
- Removed redundant styles that is already covered by the native Gutenberg styling.
- Added support to Jetpack's rating, form, and whatsapp block
