Add https://search.url4irl.com

Close #642 
From @marcelovicentegc

Author: ononoki1

searxinstances/instances.yml

@@ -50,6 +50,7 @@ https://search.rhscz.eu: {}
 https://search.rowie.at: {}
 https://search.sapti.me: {}
 https://search.tommy-tran.com: {}
+https://search.url4irl.com: {}
 https://searx.ankha.ac: {}
 https://searx.be: {}
 https://searx.cespedes.fr: {}