add building model (base)

api/migrations/0001_initial.py

@@ -0,0 +1,22 @@
+# Generated by Django 6.0.2 on 2026-02-10 18:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Building',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('geojson_id', models.IntegerField()),
+                ('health', models.FloatField()),
+            ],
+        ),
+    ]