Adding a custom User model

core/admin.py

@@ -0,0 +1,16 @@
+from django.contrib import admin
+
+from .models import User
+
+
+@admin.register(User)
+class UserAdmin(admin.ModelAdmin):
+    search_fields = ("id", "email", "first_name", "last_name")
+    list_display = (
+        "id",
+        "first_name",
+        "last_name",
+        "is_active",
+        "email",
+        "date_joined",
+    )