Added an advanced editor of fields for the Feedback Form.

Added an advanced editor of fields for the Feedback Form. You can create up to 50 fields, with different data types (text fields, strings, file uploads, chachkbox and select elements). Form management is located in the settings, in the "Feedback" tab.

Expanded the setting of the Number of added products per click.
Translation service in the process.
Updated format for sending data when ordering and changing order status.