docs(readme): add depth one

noelmcloughlin · noelmcloughlin · commit 5680c6b151c1 · 2020-05-12T02:03:21.000+01:00
diff --git a/docs/README.rst b/docs/README.rst
@@ -17,6 +17,7 @@ mongodb
 Install and configure MongoDB products on GNU/Linux and MacOS.
 
 .. contents:: **Table of Contents**
+   :depth: 1
 
 General notes
 -------------
