* Normalize EOL before EOF.
* Import current Transifex state, only translated.
Skip duplicated and completely empty languages.
* Re-add untranslated strings to JSON files.
These are now treated correctly as untranslated, but present with the
original (English) translation key.
* Update valid language codes and names.
* Refer to Weblate instead of Transifex for translations.
* lang-es: Copy untranslated strings from es-ES.
* Integrate translation changes from Weblate.
Translated using Weblate (Polish)
Currently translated at 100.0% (512 of 512 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/pl/
Translated using Weblate (Danish)
Currently translated at 98.6% (505 of 512 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/da/
Translated using Weblate (Lithuanian)
Currently translated at 85.4% (441 of 516 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/lt/
Translated using Weblate (French)
Currently translated at 100.0% (516 of 516 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/fr/
Translated using Weblate (Danish)
Currently translated at 98.6% (509 of 516 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/da/
Translated using Weblate (Spanish)
Currently translated at 100.0% (516 of 516 strings)
Translation: Syncthing/GUI strings
Translate-URL: https://hosted.weblate.org/projects/syncthing/gui/es/
* translation update uses weblate
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Co-authored-by: Jakob Borg <jakob@kastelo.net>