Created migrations for changes to models.py

Also deleted the __init__.py file from the backend directory (per Mike's suggestion)

backend/app/migrations/0001_initial.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.1.5 on 2021-06-21 19:40
+
+import app.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Pronoun',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('identifier', app.fields.LowercaseCharField(max_length=40)),
+                ('type', models.CharField(choices=[('subj', 'Subject'), ('obj', 'Object'), ('pos_det', 'Possessive determiner'), ('pos_pro', 'Possessive pronoun'), ('reflex', 'Reflexive')], max_length=7)),
+            ],
+        ),
+    ]