Add cmd2 project to the project list and timeline

Author: tleonhardt

_sections/30-projects.md

@@ -41,6 +41,7 @@ These projects pledge to drop Python 2 support in or before 2020.
 -[![](assets/metpy.png)MetPy](https://unidata.github.io/MetPy)
 -[![](assets/openquake.png)OpenQuake engine](https://github.com/gem/oq-engine)
 -[![](assets/yt.png)yt](http://yt-project.org)
+-[![](assets/cmd2.png)cmd2](https://github.com/python-cmd2/cmd2)
 -[![](assets/osbrain.png)osBrain](https://github.com/opensistemas-hub/osbrain)
 -[![](assets/pymeasure.png)PyMeasure](https://github.com/ralph-group/pymeasure)
 -[![](assets/chaquopy.png)Chaquopy](https://chaquo.com/chaquopy/)

assets/cmd2.png

@@ -220,6 +220,11 @@ $(document).ready(function (){
 {content: '4.x',start: '2013-10-01',end: '2020-01-09',py2:true},
 {content: '5.x+',start: '2020-01-10',end: '2023-12-31',py2:false},
 ],
+'cmd2':[
+{content: '0.7.x',start: '2017-02-23',end: '2018-01-04',py2:true},
+{content: '0.8.x',start: '2018-02-01',end: '2018-08-31',py2:true},
+{content: '0.9.x',start: '2018-05-28',end: '2023-12-31',py2:false},
+],
 
 // for tests, rando example
 //'matplotlib':[