Add services listing script

README.md

@@ -10,4 +10,5 @@ Gardening the Cooperative Cloud configurations.
 
 ### Scripts
 
-- **clone_all.py**: clone all coop-cloud/... repositories into a local clones folder
+- **clone_all.py**: clone all `coop-cloud/...` repositories into a local `clones/...` folder
+- **list_services.sh**: show all `services:...` in all `compose.yml` files under `clones/...`

list_services.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+for f in clones/*/compose.yml;
+  do echo "${f}" && \
+    yq read --printMode p "$f" 'services.*' && \
+    echo;
+  done