[fix] revert the port change

searx/settings.yml

     autocomplete : "" # Existing autocomplete backends: "dbpedia", "duckduckgo", "google", "startpage", "wikipedia" - leave blank to turn it off by default
 
 server:
-    port : 8889
+    port : 8888
     bind_address : "127.0.0.1" # address to listen on
     secret_key : "ultrasecretkey" # change this!
     base_url : False # Set custom base_url. Possible values: False or "https://your.custom.host/location/"