update docs

CHANGES.md

@@ -2,7 +2,15 @@
 
 ## v4.0.9-RC
 
-* 
+* Feature: Detailed configurations for OpenID Connect
+    * Authorization Endpoint
+    * Token Endpoint
+    * Revocation Endpoint
+    * Introspection Endpoint
+    * UserInfo Endpoint
+    * Registration Endpoint
+    * JSON Web Key Set URI
+
 
 ## v4.0.8