Merge pull request #8061 from FreeCodeCamp/fix/loopback-listener

Fix loopback event emitter max listeners warning

server/boot/a-increase-listeners.js

@@ -0,0 +1,5 @@
+module.exports = function increaseListers(app) {
+  // increase loopback database ODM max listeners
+  // this is a EventEmitter method
+  app.dataSources.db.setMaxListeners(32);
+};