add language field to text model, output en and zh texts separately, refs #30

app/text/migrations/0008_auto_20211028_1007.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.7 on 2021-10-28 10:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('text', '0007_text_annotations'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='text',
+            name='language',
+            field=models.CharField(choices=[('en', 'EN'), ('zh', 'ZH')], default='en', max_length=8),
+        ),
+        migrations.AlterField(
+            model_name='text',
+            name='annotations',
+            field=models.JSONField(blank=True, default=dict, editable=False),
+        ),
+    ]