Made the password usage for Redis sub chart more clear

Author: max-pfeiffer

helm/oauth2-proxy/values.yaml

@@ -363,7 +363,8 @@ sessionStorage:
     existingSecret: ""
     # Redis password value. Applicable for all Redis configurations. Taken from redis subchart secret if not set. `sessionStorage.redis.existingSecret` takes precedence
     password: ""
-    # Key of the Kubernetes secret data containing the redis password value
+    # Key of the Kubernetes secret data containing the redis password value. If you use the redis sub chart, make sure
+    # this password matches the one used in redis.global.redis.password (see below).
     passwordKey: "redis-password"
     # Can be one of standalone|cluster|sentinel
     clientType: "standalone"
@@ -395,6 +396,11 @@ redis:
   enabled: false
   # Redis specific helm chart settings, please see:
   # https://github.com/bitnami/charts/tree/master/bitnami/redis#parameters
+  # global:
+  #   redis:
+  #     password: yourpassword
+  # If you install Redis using this sub chart, make sure that the password of the sub chart matches the password
+  # you set in sessionStorage.redis.password (see above).
   # redisPort: 6379
   # architecture: standalone