Added new template with demo and quick install.

Added template demo and quick install. The template is implemented with the ability to change the color scheme in the design editor.
View Demo
Install template.

Added payment system Fondy (with support for many languages, currencies, GooglePay and Applepay).
Added automatic change of data, for goods in another language.
Added the General parameter of the size type and the Product type for uploading to Google Merchant.