Add config version to YAML fragment

astrojuanlu · astrojuanlu · commit b93c6c9b40e6 · 2021-05-19T00:21:18.000+02:00
diff --git a/apt-packages.rst b/apt-packages.rst
@@ -50,6 +50,8 @@ contains a simple example:
 
 .. code-block:: yaml
 
+   version: 2
+
    build:
      image: latest
      apt_packages:
