feat: bootstrap HoopScout scouting app

backend/scouting/signals.py

@@ -0,0 +1,11 @@
+from django.contrib.auth.models import User
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from .models import UserProfile
+
+
+@receiver(post_save, sender=User)
+def ensure_user_profile(sender, instance: User, created: bool, **kwargs) -> None:
+    if created:
+        UserProfile.objects.create(user=instance)