bump version to 0.19.6

Author: narimiran

jekyll/_config.yml

@@ -5,7 +5,7 @@ description: >
   compiles to C, C++ and JavaScript.
 baseurl: ""
 
-nim_version: 0.19.4
+nim_version: 0.19.6
 
 defaults:
   -
@@ -57,4 +57,4 @@ asciidoctor:
     - imagesdir=/assets/news/images/asciidoc
     - icons=font
     - source-highlighter=pygments
-    - pygments-css=style
+    - pygments-css=style