More secure route for settings

.rubocop.yml

@@ -1,6 +1,9 @@
 Rails:
   Enabled: true
 
+Rails/ApplicationRecord:
+  Enabled: false
+
 AllCops:
   TargetRubyVersion: 2.1
 

config/routes.rb

@@ -1,5 +1,7 @@
 # Redmine Messenger plugin for Redmine
 
 RedmineApp::Application.routes.draw do
-  match 'projects/:id/messenger_settings/:action', controller: 'messenger_settings', via: %i[get post put patch]
+  match 'projects/:id/messenger_settings/save',
+        to: 'messenger_settings#save',
+        via: %i[post put patch]
 end