Added a function for selecting ready-made color schemes for templates «templates_universal_flex».

Added a function for selecting ready-made color schemes for templates «templates_universal_flex». The color can be specified when creating a store, as well as in the "Design Editor", in the «Style Catalog» tab.

Added pop-up window for editing reviews and comments
Added the Cookie Consent and Data Transfer Function to Google Analytics and Tag Manager.
Updated editor (new version of TinyMCE5). Added loading images directly from the editor.