adds automation instructions to doc

README.md

@@ -67,4 +67,17 @@ sops -e -i secrets.yaml
 
 # decript, print to console
 sops -d secrets.yaml
+```
+
+# Automation
+
+```bash
+% cd cloud-solutions/nso/devnso-adp-argocd
+% ${WORKSPACE}/communication-keys/bin/update_sops.sh -k ${WORKSPACE}/communication-keys/roles/devnso-adp-argocd
+```
+
+```bash
+% git clone git@git.dev-at.de:cloud-solutions/nso/devnso-adp-argocd.git
+% ./bin/update_sops.sh -c ./devnso-adp-argocd/ -k roles/devnso-adp-argocd
+% cd ./devnso-adp-argocd/ && git diff
 ```