New translations client.en.yml (Arabic)

config/locales/client.ar.yml

@@ -179,6 +179,7 @@ ar:
           property: "Property"
           prefill: "Prefill"
           content: "Content"
+          tag_groups: "Tag Groups"
           date_time_format:
             label: "Format"
             instructions: "<a href='https://momentjs.com/docs/#/displaying/format/' target='_blank'>Moment.js format</a>"