chore: install cssbundling rails and set up compilation

spec/dummy/node_modules/unicorn-magic/default.js

@@ -0,0 +1,14 @@
+export async function delay({seconds, milliseconds} = {}) {
+	let duration;
+	if (typeof seconds === 'number') {
+		duration = seconds * 1000;
+	} else if (typeof milliseconds === 'number') {
+		duration = milliseconds;
+	} else {
+		throw new TypeError('Expected an object with either `seconds` or `milliseconds`.');
+	}
+
+	return new Promise(resolve => {
+		setTimeout(resolve, duration);
+	});
+}