update sidebar ver to 1.2.0
diff --git a/site/_config.yml b/site/_config.yml
index e2b9837..3bebf2e 100755
--- a/site/_config.yml
+++ b/site/_config.yml
@@ -37,7 +37,7 @@
 # variables
 
 sidebar_tagline: Edgent
-sidebar_version: Version 1.1.0-incubating
+sidebar_version: Version 1.2.0-incubating
 theme_file: theme-blue.css
 
 # the algolia entries here are experimental only.