Testing with documentation tooling

Updating with changes
Updating for Hugo
Adding a README'
moving index.md compose-overview.md in links
changing overview
Updating image to pull

Signed-off-by: Mary Anthony <mary@docker.com>

docs/completion.md

@@ -1,7 +1,13 @@
----
-layout: default
-title: Command Completion
----
+<!--[metadata]>
++++
+title = "Command Completion"
+description = "Compose CLI reference"
+keywords = ["fig, composition, compose, docker, orchestration, cli,  reference"]
+[menu.main]
+parent="smn_workw_compose"
+weight=3
++++
+<![end-metadata]-->
 
 # Command Completion
 
@@ -53,11 +59,11 @@ Enjoy working with Compose faster and with less typos!
 
 ## Compose documentation
 
-- [User guide](index.md)
+- [User guide](compose-overview.md)
 - [Installing Compose](install.md)
 - [Get started with Django](django.md)
 - [Get started with Rails](rails.md)
 - [Get started with Wordpress](wordpress.md)
 - [Command line reference](cli.md)
 - [Yaml file reference](yml.md)
-- [Compose environment variables](env.md)
+- [Compose environment variables](env.md)