Add slides for the first August talk

Author: gouline

_data/events.yml

@@ -604,3 +604,7 @@
         Are you working with one technology and contemplating the move to another? Or are you considering pivoting into a 
         whole other 'post-technical' career? Are you feeling nervous because it's uncharted territory? This talk might be 
         for you!
+      
+      links:
+        - title: Slides
+          url: /materials/2018-08-15-1/changing-career-direction.pdf