Update makeawish templates

...sh/migrations/0006_makeawishroot_header_image_and_more.py

make_a_wish/migrations/0007_makeawishroot_matomo_id.py

make_a_wish/models.py

make_a_wish/templates/make_a_wish/header/wish_header.html

make_a_wish/templates/make_a_wish/make_a_wish_root.html

..._wish/templates/make_a_wish/make_a_wish_root_landing.html

shared/static/styleguide2/main.css