feat(activities): Add Activity models

activities/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+# Generated by Django 2.2.9 on 2020-02-14 09:47
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ActivitySeries',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=1023)),
+            ],
+            options={
+                'verbose_name_plural': 'activity series',
+            },
+        ),
+        migrations.CreateModel(
+            name='Activity',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=1023)),
+                ('series', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='instances', to='activities.ActivitySeries')),
+            ],
+            options={
+                'verbose_name_plural': 'activities',
+            },
+        ),
+    ]