Biotope Boilerplate Versions Save

Update yarn lock to be in sync with package.json

• fix in package.json dependency pathes

• replaced most of the default partial helpers with include partial helper
• updated frontMatter data source

renamed indexr base file extension to hbs renamed variable to match build-framework

frontend framework 5.0.0 uses the new build-framework 5.0.0 https://github.com/frontend-framework/build-framework

• updated folder structure
• added basic hbs demo page
• major refactorings