Adds alt text to status images

bookwyrm/migrations/0012_attachment.py

@@ -1,4 +1,4 @@
-# Generated by Django 3.0.7 on 2020-11-24 17:46
+# Generated by Django 3.0.7 on 2020-11-24 19:39
 
 from django.db import migrations, models
 import django.db.models.deletion
@@ -19,6 +19,7 @@ class Migration(migrations.Migration):
                 ('updated_date', models.DateTimeField(auto_now=True)),
                 ('remote_id', models.CharField(max_length=255, null=True)),
                 ('image', models.ImageField(blank=True, null=True, upload_to='status/')),
+                ('caption', models.TextField(blank=True, null=True)),
                 ('status', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attachments', to='bookwyrm.Status')),
             ],
             options={