Moved build stuff to docker

scripts/build-gamecube-docker.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 docker build -t dusk-dolphin -f docker/dolphin/Dockerfile .
-docker run --rm -v $(pwd):/workdir dusk-dolphin ls
+docker run --rm -v $(pwd):/workdir dusk-dolphin /bin/bash -c "./scripts/build-gamecube.sh"