chore: More comments in values file.

Author: parth-gohil

chart/values.yaml

@@ -22,6 +22,7 @@ db:
     # Setting the name of the secret will disable secret creation in this chart and look for an existing secret (whose name is specified in this field) to mount.
     # When setting this up in a fresh environment as a standalone app, it's best to leave the value empty.
     name:
+    # This is the key that either the secret will create(if secretRefKey is empty) or this is the key it'll look for in the secret(if secretRefKey is mentioned).
     # The name of the key is mandatory to set.
     key: DB_URL