✨ Add switch option to open search box result in same tab #476

This makes it easier to search when homer is set as the default for a new
tab.

Co-authored-by: Momcilo Bajalovic <momcilobajalovic@Momcilos-Air.lan>

public/locales/en/settings/general/search-engine.json

@@ -7,5 +7,8 @@
   "customEngine": {
     "label": "Query URL",
     "placeholder": "Custom query URL"
+  },
+  "searchNewTab": {
+    "label": "Open search results in new tab"
   }
 }