Adding _assets_pipeline folder and files (not including frontend toolkit yet)
Removing current frontend toolkit submodule
Updated frontend toolkit, into _assets_pipeline
Adding assets pipeline plugin file
Adding govuk template include files
Removing (now) unused includes
Adding new layout files, updating homepage layout file
Removing (now) unused layout files
Adding 'flat' assets folder - holds assets that don't go through the pipeline
Updating readme
Updating Procfile for newer Jekyll commands
Updating Gemfile
Updating config
Deleting old /transformation/ site folder