translations: translate v0.13.1

[jma]

German currently translated at 100.0% (93 of 93 strings) French currently translated at 100.0% (93 of 93 strings) Italian currently translated at 100.0% (93 of 93 strings)

Translate-URL: https://hosted.weblate.org/projects/rero_plus/ng-core/de/ Translate-URL: https://hosted.weblate.org/projects/rero_plus/ng-core/fr/ Translate-URL: https://hosted.weblate.org/projects/rero_plus/ng-core/it/ Translation: RERO+/ng-core

Co-authored-by: Nicolas Prongué n.prongue@outlook.com

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Code review check list

• [ ] Commit message template compliance.
• [ ] Commit message without typos.
• [ ] File names.
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• [ ] Extracted translations?