Update _config.yml

Make custom analytics

Author: Javier-Jimenez99

_config.yml

@@ -73,7 +73,7 @@ social:
 
 # Analytics
 analytics:
-  provider               :  "google-universal" # false (default), "google", "google-universal", "custom"
+  provider               :  "custom" # false (default), "google", "google-universal", "custom"
   google:
     tracking_id          :