* Add i18n tasks spec
* Ignore storybook static folder
* Run i18n-tasks normalize
* Fix inconsistent interpolations flagged by i18n-tasks check-consistent-interpolations
* Update devise en translation and add devise_invitable fr translation
* Add missing keys, ignore those to be translated and normalize
* Temporarily ignore unused keys until we have a strategy for maintenance
* Add missing key
* Re-run normalize
* Disable normalize test temporarily
