Update release drafter to contain description

Author: tomer-w

.github/release-drafter.yml

@@ -19,7 +19,9 @@ categories:
     labels:
       - 'documentation'
       - 'docs'
-change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-template: |
+  - $TITLE @$AUTHOR (#$NUMBER)
+  $BODY
 change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
 version-resolver:
   major: