Add http://ls67zxncmcqgn2vg74ckcwxgu5p3e5mf2khues3egkumhcqtbsg4kqyd.onion

closes: #713

Author: vojkovic

searxinstances/instances.yml

@@ -48,7 +48,9 @@ https://search.privacyredirect.com: {}
 https://search.projectsegfau.lt:
   additional_urls:
     http://search.pjsfkvpxlinjamtawaksbnnaqs2fc2mtvmozrzckxh7f3kis6yea25ad.onion: Hidden Service
-https://search.rhscz.eu: {}
+https://search.rhscz.eu:
+  additional_urls:
+    http://ls67zxncmcqgn2vg74ckcwxgu5p3e5mf2khues3egkumhcqtbsg4kqyd.onion: Hidden Service
 https://search.rowie.at: {}
 https://search.sapti.me: {}
 https://search.url4irl.com: {}