Add slides for Python3 Meta

RadoRado · RadoRado · commit 98fb2c8f09c4 · 2016-02-27T19:30:15.000+02:00
diff --git a/week13/README.md b/week13/README.md
@@ -18,5 +18,6 @@
 
 ## Metaprogramming
 
+* [Our presentation for Python3 Meta](http://slides.com/hackbulgaria/python3-meta)
 * [Difference between `exec`, `eval` and `compile`](http://stackoverflow.com/questions/2220699/whats-the-difference-between-eval-exec-and-compile-in-python)
 * [Python data model](https://docs.python.org/3.5/reference/datamodel.html)
