a few edits in README

Author: fabricebrito

README.md

@@ -4,9 +4,10 @@ Zoo runner using Argo Workflows
 
 ## Environment variables
 
-STORAGE_CLASS
-DEFAULT_VOLUME_SIZE
-DEFAULT_MAX_CORES
-DEFAULT_MAX_RAM
-ARGO_WF_ENDPOINT
-ARGO_WF_TOKEN 
+- `STORAGE_CLASS`: standard
+- `DEFAULT_VOLUME_SIZE` 12Gi
+- `DEFAULT_MAX_CORES`: 4
+- `DEFAULT_MAX_RAM`: 4Gi
+- `ARGO_WF_ENDPOINT`: "http://localhost:2746"
+- `ARGO_WF_TOKEN`: `kubectl get -n ns1 secret argo.service-account-token -o=jsonpath='{.data.token}' | base64 --decode`
+- `ARGO_WF_SYNCHRONIZATION_CM`: "semaphore-water-bodies"