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 Wayforpay.com payment system with support for: Visa, Mastercard, ApplePay, GooglePay and installment payments.
A "Print order" button has been added to sales statistics.
Added display of manufacturers to the mobile menu.