added Makefile for faster setup

Author: Florian Engelhardt

Makefile

@@ -0,0 +1,7 @@
+install: api/vendor products/vendor reviews/vendor
+
+%/vendor: %/composer.lock
+	docker run --rm -i -u 1000:1000 --tty --volume $$PWD/$*:/app composer install
+
+%/composer.lock: %/composer.json
+	docker run --rm -i -u 1000:1000 --tty --volume $$PWD/$*:/app composer update