Add taghistorian secrets (#159)

* Add tags secret

* Add taghistorian

getting-started/templates/systemlink-secrets.yaml

@@ -524,6 +524,27 @@ tags:
       ##
       replicaSetKey: ""  # <ATTENTION>
 
+## Secret configuration for taghistorian
+##
+taghistorian:
+  secrets:
+    ## Credentials for the MongoDB cluster.
+    ##
+    mongodb:
+      ## Root user password for the database cluster.
+      ##
+      rootPassword: ""  # <ATTENTION>
+      ## Limited user password to allow the service to access the database. This password cannot contain commas or any character that must be escaped in a URL.
+      ##
+      servicePassword: ""  # <ATTENTION>
+      ## Key used to authenticate pods in the database cluster.
+      ## Refer to the MongoDB documentation for key generation: https://www.mongodb.com/docs/manual/tutorial/enforce-keyfile-access-control-in-existing-replica-set/#create-a-keyfile
+      ##
+      replicaSetKey: ""  # <ATTENTION>
+    ## Cryptographic key used for AEAD encryption of continuation tokens. Use a 32-byte cryptographically random value which is base64 encoded.
+    ##
+    continuationTokenEncryptionKey: ""  # <ATTENTION>
+
 ## Secret configuration for repository
 ##
 repository: