Update README with Ahoy approach

README.md

@@ -62,6 +62,7 @@ Then use [ahoy](https://github.com/ahoy-cli/ahoy/), from within the hosting_priv
 Ensure all three related repositories are up-to-date with:
 
 ```
+cd ~/Projects/drutopia-platform/drutopia_host/hosting_private
 ahoy git-pull-all
 ```
 
@@ -82,10 +83,7 @@ ahoy deploy-site agaric_test
 Then record the deployment, logs from both deploy-site and deploy-build:
 
 ```
-cd ~/Projects/drutopia-platform/drutopia_host/build_artifacts
-git add .
-git commit -m "Add artifacts"
-git push
+ahoy artifacts
 ```
 
 ### Drupal settings file management