feat: initial commit of Railtrack Pro prototype with complete test suite

node_modules/emittery/maps.js

@@ -0,0 +1,9 @@
+const anyMap = new WeakMap();
+const eventsMap = new WeakMap();
+const producersMap = new WeakMap();
+
+module.exports = {
+	anyMap,
+	eventsMap,
+	producersMap
+};