Changed extractor to only run on sunday nights

crawlers/topclassiccarsforsale.crawler.js

@@ -2,7 +2,7 @@ const puppeteer = require('puppeteer');
 const genericVinParserFactory = require('../processors/generics/generic-vin-parser');
 const superagent = require('superagent');
 module.exports = {
-    cronString: '15 23 * * *',
+    cronString: '15 23 * * 0',
     run: async function () {
         const startingPoint = 'https://topclassiccarsforsale.com/amc';
         const browser = await puppeteer.launch({