nicer overlay point markers and optional clustering

src/c3nav/mapdata/migrations/0129_dataoverlay_cluster_points.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.3 on 2024-12-26 02:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0128_space_identifyable'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dataoverlay',
+            name='cluster_points',
+            field=models.BooleanField(default=False, verbose_name='cluster points together when zoomed out'),
+        ),
+    ]