Added send notification service, and queried unsent marketalerts, fixed some issues with crawler, and added proper logging

app/services/notificationService.js

@@ -0,0 +1,19 @@
+
+const Promise = require("bluebird");
+const db = require("../models/index");
+const { allMarketAlerts } = require('../helpers/db/dbHelper');
+
+
+async function processNotifications() {
+
+    try {
+        const marketAlerts = await allMarketAlerts(false);
+        console.log(marketAlerts);
+        process.exit();
+    } catch (e) {
+        console.log("NOTIFICATION SERVICE: could not send notifications reason: ", e);
+    }
+}
+
+
+processNotifications();