Add auth and ruby update

app/controllers/rodauth_controller.rb

@@ -0,0 +1,37 @@
+class RodauthController < ApplicationController
+  # Used by Rodauth for rendering views, CSRF protection, running any
+  # registered action callbacks and rescue handlers, instrumentation etc.
+
+  # Controller callbacks and rescue handlers will run around Rodauth endpoints.
+  # before_action :verify_captcha, only: :login, if: -> { request.post? }
+  # rescue_from("SomeError") { |exception| ... }
+
+  # Layout can be changed for all Rodauth pages or only certain pages.
+  # layout "authentication"
+  # layout -> do
+  #   case rodauth.current_route
+  #   when :login, :create_account, :verify_account, :verify_account_resend,
+  #        :reset_password, :reset_password_request
+  #     "authentication"
+  #   else
+  #     "application"
+  #   end
+  # end
+  #
+  before_action do
+    # Fix encoding in rodauth views.
+    response.headers["Content-Type"] = "text/html; charset=utf-8" if request.format.html?
+  end
+
+  def profile
+  end
+
+  private
+  def initialize_sidebar_items
+    [
+      { label: "Profile", icon: :'person', path: profile_path, active: action_name == "profile" },
+      { label: "Passwort ändern", icon: :'lock', path: rodauth.change_password_path, active: action_name == "change_password" },
+      { label: "Logout", icon: :'box-arrow-right', path: rodauth.logout_path, active: action_name == "logout" }
+    ]
+  end
+end