feat: enable Dutch (Nederlands) language choice

1st edition of the Dutch translation

app/WYGIWYH/settings.py

@@ -163,7 +163,7 @@ AUTH_USER_MODEL = "users.User"
 LANGUAGE_CODE = "en"
 LANGUAGES = (
     ("en", "English"),
-    # ("nl", "Nederlands"),
+    ("nl", "Nederlands"),
     ("pt-br", "Português (Brasil)"),
 )
 

app/apps/users/migrations/0016_alter_usersettings_language.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.5 on 2025-01-25 18:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0015_alter_usersettings_language'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='usersettings',
+            name='language',
+            field=models.CharField(choices=[('auto', 'Auto'), ('en', 'English'), ('nl', 'Nederlands'), ('pt-br', 'Português (Brasil)')], default='auto', max_length=10, verbose_name='Language'),
+        ),
+    ]

frontend/src/application/datepicker.js

@@ -1,11 +1,13 @@
 import AirDatepicker from 'air-datepicker';
 import en from 'air-datepicker/locale/en';
 import ptBr from 'air-datepicker/locale/pt-BR';
+import nl from 'air-datepicker/locale/nl';
 import {createPopper} from '@popperjs/core';
 
 const locales = {
     'pt': ptBr,
-    'en': en
+    'en': en,
+    'nl': nl
 };
 
 function isMobileDevice() {