* Add i18n framework to mobile app and write simple translation generator
* Replace all texts in login_form with i18n keys
* Localization of sharing section
* Localization of asset viewer section
* Use JSON as base translation format
* Add check for missing/unused translation keys
* Add localizely
* Remove i18n directory in favour of localizely
* Backup Translation
* More translations
* Translate home page
* Translation of search page
* Translate new server version announcement
* Reformat code
* Fix typo in german translation
* Update englisch translations
* Change translation keys to match dart filenames
* Add /api to translated endpoint_urls
* Update localizely.yml
* Add languages to ios plist
* Remove unused keys
* Added script to check outdated key in other translations
* Add download key to localizely.yml
Co-authored-by: Alex <alex.tran1502@gmail.com>