chore: add remaining language tags (#4149)

course_discovery/apps/ietf_language_tags/migrations/0006_auto_20231016_1044.py

@@ -0,0 +1,33 @@
+# Generated by Django 3.2.22 on 2023-10-16 10:44
+
+from django.db import migrations
+
+LANGTAGS = (
+    ('Arabic', 'ar'),
+    ('French', 'fr'),
+    ('German', 'de'),
+    ('Portuguese', 'pt'),
+    ('Spanish', 'es'),
+)
+
+def add_languages_tag(apps, schema_editor):  # pylint: disable=unused-argument
+    LanguageTag = apps.get_model('ietf_language_tags', 'LanguageTag')
+    LanguageTagTranslation = apps.get_model('ietf_language_tags', 'LanguageTagTranslation')
+
+    for name, code in LANGTAGS:
+        LanguageTag.objects.update_or_create(code=code, defaults={'name': name})
+        LanguageTagTranslation.objects.update_or_create(
+            master=LanguageTag.objects.get(code=code),
+            language_code='en',
+            defaults={'name_t': name}
+        )
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ietf_language_tags', '0005_add_telugu_lan_tag'),
+    ]
+
+    operations = [
+         migrations.RunPython(add_languages_tag, migrations.RunPython.noop),
+    ]