Add export button

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

draw/migrations/0006_pool_associated_pool.py

@@ -0,0 +1,26 @@
+# Generated by Django 4.1.7 on 2023-03-25 07:22
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("participation", "0003_alter_team_trigram"),
+        ("draw", "0005_draw_last_message"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="pool",
+            name="associated_pool",
+            field=models.OneToOneField(
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="draw_pool",
+                to="participation.pool",
+                verbose_name="associated pool",
+            ),
+        ),
+    ]