fixing toc

Author: pzaldonis

_config.yml

@@ -76,6 +76,8 @@ defaults:
   - scope:
       path: "**/*.md"
       type: "data_visualization"
+    values:
+      layout: "default"
   - scope:
       path: "**/*.md"
       type: "accessibility"

docs/_data_visualization/0_data_visualization_steps_intro.md

@@ -15,4 +15,5 @@ These guidelines outline the steps we can take to design clear and informative d
 
 This section of the guidelines walks through the steps for creating data visualizations.
 
+- TOC
 {:toc}