Merge pull request talkpython#14 from pathcl/patch-1

Launch jupyter notebooks on binder

Author: mikeckennedy

README.md

@@ -1,4 +1,6 @@
 # #100DaysOfCode with Python course
+[![Binder](https://mybinder.org/badge.svg)](https://mybinder.org/v2/gh/talkpython/100daysofcode-with-python-course.git/master)
+
 
 [![Visit the course page](readme_resources/100days-course.png)](https://training.talkpython.fm/courses/explore_100days_in_python/100-days-of-code-in-python)