add configuration to use traefik-golang sample with Docker Dev Environments feature (#254)

* add configuration to use traefik-golang sample with Docker Dev Environments feature
* use apt-get instead of apt and --no-install-recommends option

Co-authored-by: Milas Bowman <milasb@gmail.com>
Signed-off-by: Guillaume Lours <guillaume.lours@docker.com>

traefik-golang/README.md

@@ -92,3 +92,11 @@ Stop and remove the containers
 ```
 $ docker compose down
 ```
+
+## Use with Docker Development Environments
+
+You can use this sample with the Dev Environments feature of Docker Desktop.  
+To develop directly the backend service inside containers, you just need to use the https git url of the sample:  
+`https://github.com/docker/awesome-compose/tree/master/traefik-golang`
+
+![page](../dev-envs.png)