add side links

_config.yml

@@ -9,10 +9,16 @@ repository: markwkidd/crop-guides # for github-metadata
 permalink: pretty
 
 nav_external_links:
-  - title: Adaptation Gardening Facebook Group
-  url: https://www.facebook.com/groups/adaptationagriculture
-  - title: Going to Seed Courses and Community
-  url: https://goingtoseed.org
+  - title: Just the Docs on GitHub
+    url: https://github.com/just-the-docs/just-the-docs
+    hide_icon: false # set to true to hide the external link icon - defaults to false
+    opens_in_new_tab: false # set to true to open this link in a new tab - defaults to false
+
+#nav_external_links:
+ # - title: Adaptation Gardening Facebook Group
+  #url: https://www.facebook.com/groups/adaptationagriculture
+  #- title: Going to Seed Courses and Community
+  #url: https://goingtoseed.org
 
 search_enabled: true