refactor: Code style.

feat: Many others shop category menu improvements.

feat: New template settings (show / hide shop categories menu).

feat: Bei only one product fild, stretch the field to 100%.

feat: Standard brick title in footer.

refactor: Product details border color matches the dsign color.

feat: Product fild list positioned with flexbox. Automatic width adaptation depending on the container.

feat: Brick areas removed from product template and added to cateogry template.

#10

#11

#1

fix: Mobile menu centered.