Add missing files

server/assignments/migrations/0013_auto_20210315_2143.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.19 on 2021-03-15 21:43
+
+from django.db import migrations
+import wagtail.core.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assignments', '0012_auto_20210126_1346'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='assignment',
+            name='solution',
+            field=wagtail.core.fields.RichTextField(blank=True, null=True),
+        ),
+    ]

server/core/constants.py

@@ -0,0 +1,2 @@
+DEFAULT_RICH_TEXT_FEATURES = ['ul', ]
+INSTRUMENTS_RICH_TEXT_FEATURES = ['bold', 'ul', 'brand', 'secondary']