Add link to slides for simple submit.

Change-Id: Ida73364adddd5bee7011660b409a6dc2ac18f5ee
diff --git a/sessions/simple-submit.md b/sessions/simple-submit.md
index c8edb3d..649ac14 100644
--- a/sessions/simple-submit.md
+++ b/sessions/simple-submit.md
@@ -6,4 +6,6 @@
 In this talk, I will present work by my team at Google to offer a simpler
 mechanism for configuring submission rules.
 
+[Slides](https://storage.googleapis.com/gerrit-talks/summit/2018/simple%20submit%20rules%20-%20user%20summit%202018.pdf)
+
 *[Han-Wen Nienhuys, Staff Software Engineer / Google](../speakers.md#hanwen)*