Related: #74

Related: order-simple-checkout#1

Related: #100

feat: Separate lang and currency switch. New template settings to manage this controls #86 #76

feat: Currency Switch use the reworked version of package/quiqqer/currency/bin/controls/Switch #86

feat: Set correct images if product ist a variant product.

feat: New setting --> detatch nav from top and place it initialy by scrolling at the top.

feat: Menu logo has width and height properites.

#67

quiqqer/stock-management#10

#15

#15