The language Netherland/Dutch added

[Eltrix-Dot]

18n: Add Dutch (Netherlands) translation
So i added the Netherlands language.
PS i couldnt get it to Compile my terminal would constantly get a error midway trough.
Whats translated ->

🔐 Authentication flows – Sign In, Sign Up, Magic Link, Errors

🧭 Sidebar & Toolbar – Navigation items, icons, and interactions

🗂 Workspace UI – Pages, states, errors, and workspace actions

⚙️ Settings – Appearance, language, theme, font, layout, date/time

🧠 AI Assistant (Chat) – Prompts, buttons, and feedback messages

📄 Page & Document Actions – Create, edit, share, and publish options

🔘 Common UI Buttons – Confirm, Save, Delete, Upload, etc.

🛑 Errors & Success States – Namespace errors, permissions, publishing

I translated everything that was in the en.US.json file i copied it to the nl-NL.json file wich i created and then went on translating english to dutch.

I used the https://docs.appflowy.io/docs/documentation/appflowy/translation https://docs.appflowy.io/docs/documentation/appflowy/from-source/environment-setup/building-on-windows
But i could not get it to compile and test.

Sorry if i did anything wrong this is my first Pull Request on Github and i never worked with Flutter and Rust before i just wanted to add a language.

Summary by Sourcery

Add Dutch (Netherlands) as a supported application language and include its translations.

New Features:

• Introduce Dutch (Netherlands) locale to the list of selectable app languages.
• Provide a Dutch (Netherlands) translation file aligned with existing English strings.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds Dutch (Netherlands) as a supported UI language by wiring a new locale into the Flutter app and providing a full nl-NL translation file mirroring the existing en-US keys.

File-Level Changes

Change	Details	Files
Wire Dutch (Netherlands) locale into the Flutter localization system.	Map the nl locale code to the display name for Dutch in the language helper function. Register Locale('nl', 'NL') in the list of supported locales so it appears in the language selector and can load translations.	frontend/appflowy_flutter/packages/flowy_infra/lib/language.dart frontend/appflowy_flutter/lib/startup/tasks/app_widget.dart
Provide Dutch translation resource file aligned with the English source strings.	Create nl-NL.json translation file alongside existing translation resources. Copy all keys from en-US.json and translate their values into Dutch for authentication, navigation, workspace UI, settings, AI assistant, common buttons, and error/success messages.	frontend/resources/translations/nl-NL.json

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[sourcery-ai]

Hey - I've left some high level feedback:

• In languageFromLocale, the new Dutch case is missing a terminating semicolon after "Nederlands", which will prevent the project from compiling.
• Confirm that nl-NL.json is placed in the correct directory used by the i18n loader (assets/translations in InitAppWidgetTask), or update the path/config so the new locale file is actually loaded at runtime.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- In `languageFromLocale`, the new Dutch case is missing a terminating semicolon after `"Nederlands"`, which will prevent the project from compiling.
- Confirm that `nl-NL.json` is placed in the correct directory used by the i18n loader (`assets/translations` in `InitAppWidgetTask`), or update the path/config so the new locale file is actually loaded at runtime.

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[CLAassistant]

All committers have signed the CLA.

[Eltrix-Dot]

I fixed my mistake
In languageFromLocale, the new Dutch case is missing a terminating semicolon after "Nederlands", which will prevent the project from compiling.
Confirm that nl-NL.json is placed in the correct directory used by the i18n loader (assets/translations in InitAppWidgetTask), or update the path/config so the new locale file is actually loaded at runtime.