install app message

app/controllers/application_controller.rb

@@ -22,6 +22,7 @@ class ApplicationController < ActionController::Base
                 :true_ability,
                 :form_link_host,
                 :svg_icon,
+                :browser_os,
                 :turbo_native_ios?,
                 :turbo_native_android?
 
@@ -58,6 +59,10 @@ class ApplicationController < ActionController::Base
     request.session[:impersonated_user_id] = user.uuid
   end
 
+  def browser_os
+    @browser_os ||= DetectBrowserDevice.os(request.user_agent)
+  end
+
   def pagy_auto(collection, **keyword_args)
     if current_ability.can?(:manage, :countless)
       pagy(:countless, collection, **keyword_args)