Prepare for links accross different name-spaces

-add intersphinx mapping
-add labels for re-use in other CPS components

Issue-ID: CPS-721

Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: Ib45716e75f85bd3ba28295ffe79db95e3575daaa
diff --git a/docs/deployment.rst b/docs/deployment.rst
index 61f9ad2..b1839cb 100644
--- a/docs/deployment.rst
+++ b/docs/deployment.rst
@@ -98,7 +98,8 @@
 
     kubectl delete pod <cps-component-pod-name> -n <namespace>
 
-.. _credentials_retrieval:
+.. Below Label is used by documentation for other CPS components to link here, do not remove even if it gives a warning
+.. _cps_common_credentials_retrieval:
 
 Credentials Retrieval
 ---------------------