decaffeinate: rename app/coffee dir to app/js

app/js/DbQueue.js

@@ -0,0 +1,18 @@
+// TODO: This file was created by bulk-decaffeinate.
+// Sanity-check the conversion and remove this comment.
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
+ */
+const async = require("async");
+const Settings = require("settings-sharelatex");
+const logger = require("logger-sharelatex");
+const queue = async.queue((task, cb)=> task(cb)
+	, Settings.parallelSqlQueryLimit);
+
+queue.drain = ()=> logger.debug('all items have been processed');
+
+module.exports = 
+	{queue};
+