docs: year range in copyright notice
docs: year range in copyright notice

smeir/berlin-vegan-map,Berlin-Vegan/berlin-vegan-map,Berlin-Vegan/berlin-vegan-map,Berlin-Vegan/berlin-vegan-map,smeir/berlin-vegan-map,smeir/berlin-vegan-map,Berlin-Vegan/berlin-vegan-map