support running coffeescript.

nothing more, but they run. :)

go/detect/detect.go

	&Project{"c/default", Commands{"run": "gcc -o $(basename {file} .c) {file} && ./$(basename {file} .c)"}, cDefault},
	&Project{"clojure/leiningen", Commands{"build": "lein uberjar", "run": "lein run", "test": "lein test"},
		clojureLeiningen},
	&Project{"coffeescript/default", Commands{"run": "coffee {file}"}, coffeescriptDefault},
	&Project{"docker/fig", Commands{"build": "fig build", "run": "fig up"}, dockerFig},
	&Project{"docker/default", Commands{"build": "docker build ."}, dockerDefault},
	&Project{"executable", Commands{"run": "{file}"}, executableDefault},
	return hasFile(file, "project.clj")
}
func coffeescriptDefault(file string) bool {
	return matchingFileOrDir(file, "*.coffee")
}
func dockerFig(file string) bool {
	return hasFile(file, "fig.yml")
}

go/examples/hello.coffee

console.log "Hello, World!"