feat(i18n): added support for Norwegian (Bokmål) (#14121)

Added support for Norwegian (Bokmål). 

Translation completeness is currently at 9%. 

<img width="1908" height="909" alt="Screenshot from 2025-12-18 13-57-15"
src="https://github.com/user-attachments/assets/4a6def20-92d5-4415-9976-301e23887187"
/>


<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **New Features**
* Norwegian Bokmål (nb-NO) language is now available with localized
interface and UI translations.

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settings.</sub>

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/i18n/src/i18n-completenesses.json

@@ -15,6 +15,7 @@
   "it": 1,
   "ja": 99,
   "ko": 100,
+  "nb-NO": 9,
   "pl": 99,
   "pt-BR": 99,
   "ru": 99,