smf_gen_l10n 0.4.0

The SMF module of localization with gen-l10n for the Flutter app that SMF generates. It keeps the texts of the app in ARB files, one for each language.

0.4.0

• FEAT(flutter_core): give the fallback start screen the look of the app (#139). (75d223f1)
• FEAT(contracts): remember the language of the app and let the user choose it in the settings (#120). (9f3c847b)
• FEAT(gen_l10n): provide the localization role with gen-l10n of Flutter (#117). (36afeb32)