add coderunner to ide section (#1018)

Co-authored-by: Winfried Auner <winfried@vastlimits.com>

README.md

@@ -214,6 +214,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 #### IDEs
 
 * [Android Studio](https://developer.android.com/studio/index.html) - The official IDE for Android, based on Intellij IDEA. [![Open-Source Software][OSS Icon]](http://tools.android.com/) ![Freeware][Freeware Icon] [![Awesome List][awesome-list Icon]](https://github.com/balsikandar/Android-Studio-Plugins#readme)
+* [CodeRunner](https://coderunnerapp.com) - A lightweight, multi-language programming text editor and IDE for quickly building, running and debugging code.
 * [Deco IDE](https://www.decoide.org) - The best IDE for building React Native apps. [![Open-Source Software][OSS Icon]](https://github.com/decosoftware/deco-ide) ![Freeware][Freeware Icon]
 * [Eclipse](https://www.eclipse.org) - Popular open-source IDE, mainly for Java but with plugin support for a wide array of languages and platforms. ![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]
 * [Espresso](http://espressoapp.com/) - The web editor for Mac is back. For people who make delightful, innovative and fast websites.