Add gn-tools-pipelines to readme

Author: edevosc2c

README.md

@@ -1,9 +1,15 @@
 # Helm charts for the geonetwork organization
 
-## Datahub
+## geonetwork-ui branch
+
+### Datahub
 
 Readme: https://github.com/geonetwork/geonetwork-helm-charts/tree/main/datahub
 
-## Metadata-editor
+### Metadata-editor
+
+Readme: https://github.com/geonetwork/geonetwork-helm-charts/tree/main/metadata-editor
+
+### gn-tools-pipelines
 
-Readme: https://github.com/geonetwork/geonetwork-helm-charts/tree/main/metadata-editor
+Readme: https://github.com/geonetwork/geonetwork-helm-charts/tree/main/gn-tools-pipelines