Roughing out the demo app

node_modules/is-npm/index.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Check if your code is running as an [npm](https://docs.npmjs.com/misc/scripts) or [yarn](https://yarnpkg.com/lang/en/docs/cli/run/) script.
+ *
+ * @example
+ *
+ * import {isNpm} from 'isNpm';
+ *
+ * if (isNpm) {
+ * 	console.log('Running as a npm script!');
+ * }
+ */
+export const isNpm: boolean;