i18n upload/download routine task for version-4.16/ sprint-248

The story is to track i18n upload/download routine tasks which are perform every sprint.

A.C.

• Upload strings to Memosource at the start of the sprint and reach out to localization team

• Download translated strings from Memsource when it is ready

• Review the translated strings and open a pull request

• Open a followup story for next sprint