Update ADR029-database-connection.adoc (#695)

Author: sbernauer

modules/contributor/pages/adr/ADR029-database-connection.adoc

@@ -15,6 +15,8 @@ v0.1, 2022-12-08
 
 Technical Story: https://github.com/stackabletech/issues/issues/238
 
+NOTE: We might want to incorporate changes to address https://github.com/stackabletech/issues/issues/681, maybe as V2?
+
 == Context and Problem Statement
 
 Many products supported by the Stackable Data Platform require databases to store metadata. Currently there is no uniform, consistent way to define database connections. In addition, some Stackable operators define database credentials to be provided inline and in plain text in the cluster definitions.