feat: use ts, update cd, update README (#12)

Signed-off-by: Jef LeCompte <jeffreylec@gmail.com>

src/notification/index.ts

@@ -0,0 +1,8 @@
+import {Config} from '../config';
+import sendEmail from './email';
+
+export default function sendNotification(cartUrl: string) {
+	if (Config.notifications.email) {
+		sendEmail(cartUrl);
+	}
+}