Add helper command to extract strings to an external repo (#4199)
* Add helper command to extract strings to an external repo
* Fix path
* Delete local .po/.pot
* python linter errors
* Lucie’s feedback
* Ignore localized .ftl files
* Update translation-management.sh
* Document the string extraction process
* Update README.md
* Update .gitignore
* Add buyersguide about section
* Update path in fomo-l10n repo
* remove pt migrations
* update post_compile step to download translations from S3 instead of running compilemessages
Co-authored-by: Lucie <lucie.daeye@gmail.com>
6391f63a84