Chore: Add an option to toggle web manifest (#848)

app/controllers/dashboard_controller.rb

@@ -1,5 +1,21 @@
 class DashboardController < ActionController::Base
+  before_action :set_global_config
+
   layout 'vueapp'
 
   def index; end
+
+  private
+
+  def set_global_config
+    @global_config = GlobalConfig.get(
+      'LOGO',
+      'LOGO_THUMBNAIL',
+      'INSTALLATION_NAME',
+      'WIDGET_BRAND_URL',
+      'TERMS_URL',
+      'PRIVACY_URL',
+      'DISPLAY_MANIFEST'
+    )
+  end
 end