danbooru_default_config.rb: document enable_post_search_counts (#3834).

config/danbooru_default_config.rb

@@ -570,10 +570,6 @@ module Danbooru
     def twitter_api_secret
     end
 
-    def enable_post_search_counts
-      false
-    end
-
     # The default headers to be sent with outgoing http requests. Some external
     # services will fail if you don't set a valid User-Agent.
     def http_headers
@@ -659,6 +655,12 @@ module Danbooru
       true
     end
 
+    # Enables recording of popular searches, missed searches, and post view
+    # counts. Requires Reportbooru to be configured and running - see below.
+    def enable_post_search_counts
+      false
+    end
+
     # reportbooru options - see https://github.com/r888888888/reportbooru
     def reportbooru_server
     end