Add CodeFactor and LGTM to README

README.md

@@ -2,6 +2,8 @@
 [![GitHub stars](https://img.shields.io/github/stars/ArekSredzki/electron-release-server.svg)](https://github.com/ArekSredzki/electron-release-server/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/ArekSredzki/electron-release-server.svg)](https://github.com/ArekSredzki/electron-release-server/network)
 [![Join the chat at https://gitter.im/ArekSredzki/electron-release-server](https://badges.gitter.im/ArekSredzki/electron-release-server.svg)](https://gitter.im/ArekSredzki/electron-release-server?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![CodeFactor](https://www.codefactor.io/repository/github/areksredzki/electron-release-server/badge)](https://www.codefactor.io/repository/github/areksredzki/electron-release-server)
+[![Total alerts](https://img.shields.io/lgtm/alerts/g/ArekSredzki/electron-release-server.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/ArekSredzki/electron-release-server/alerts/)
 >A node web server which serves & manages releases of your [Electron](http://electron.atom.io) App, and is fully compatible with [Squirrel](https://github.com/Squirrel) Auto-updater (which is built into Electron).
 
 [![Electron Release Server Demo](https://j.gifs.com/wpyY1X.gif)](https://youtu.be/lvT7rfB01iA)