FEATURE: All preload data available under /site/

This will be essential for entirely local Discourse clients.

app/controllers/site_controller.rb

@@ -2,9 +2,24 @@ require_dependency 'site_serializer'
 
 class SiteController < ApplicationController
 
-  def index
-    @site = Site.new(guardian)
-    render_serialized(@site, SiteSerializer)
+  def site
+    render json: Site.json_for(guardian)
+  end
+
+  def settings
+    render json: SiteSetting.client_settings_json
+  end
+
+  def custom_html
+    render json: custom_html_json
+  end
+
+  def banner
+    render json: banner_json
+  end
+
+  def emoji
+    render json: custom_emoji
   end
 
 end