translations: translate v0.15.0

English currently translated at 99.6% (2076 of 2084 strings)
French currently translated at 99.6% (2077 of 2084 strings)
German currently translated at 98.6% (2056 of 2084 strings)
Italian currently translated at 98.9% (2064 of 2084 strings)
Spanish currently translated at 98.2% (2075 of 2112 strings)

Co-authored-by: ManaDeweerdt <[email protected]>
Co-authored-by: JoelleDosimont <[email protected]>
Co-authored-by: Marion Davis <[email protected]>
Co-authored-by: Nicolas Prongué <[email protected]>
Co-authored-by: iGor milhit <[email protected]>
Translate-URL: https://hosted.weblate.org/projects/rero_plus/rero-ils/en/
Translate-URL: https://hosted.weblate.org/projects/rero_plus/rero-ils/fr/
Translate-URL: https://hosted.weblate.org/projects/rero_plus/rero-ils/de/
Translate-URL: https://hosted.weblate.org/projects/rero_plus/rero-ils/it/
Translate-URL: https://hosted.weblate.org/projects/rero_plus/rero-ils/es/
Translation: RERO+/rero-ils

Author: 5 people