Added CCXT to the 30-projects

Author: kroitor

_sections/30-projects.md

@@ -10,6 +10,7 @@ style: center
 
 These projects pledge to drop Python 2 support in or before 2020.
 
+-[![](assets/ccxt.png)ccxt](https://github.com/ccxt/ccxt)
 -[![](assets/pandas.png)pandas](https://pandas.pydata.org/)
 -[![](assets/ipython.png)IPython](https://ipython.org)
 -[![](assets/mitmproxy.png)mitmproxy](https://mitmproxy.org/)