add template string to auth url

Author: Knerio

lib/code0/identities/provider/oidc.rb

@@ -21,7 +21,7 @@ def user_details_url
         end
 
         def authorization_url
-          config[:authorization_url]
+          config[:authorization_url].gsub("{client_id}", config[:client_id]).gsub("{redirect_uri}", config[:redirect_uri])
         end
 
         def create_identity(response, *)