WIP: #101 Team sharing form

* adds form for sharing via team

user/migrations/0003_team.py

@@ -0,0 +1,29 @@
+# Generated by Django 3.1.3 on 2022-02-17 10:22
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('user', '0002_user_api_token'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Team',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('name', models.CharField(blank=True, max_length=500, null=True)),
+                ('description', models.TextField(blank=True, null=True)),
+                ('admin', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('users', models.ManyToManyField(blank=True, related_name='teams', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]