add user staff in custom user admin

tournaments/admin.py

@@ -25,14 +25,17 @@ class CustomUserAdmin(UserAdmin):
     list_filter = ['is_active', 'origin']
     ordering = ['-date_joined']
     fieldsets = [
-        (None, {'fields': ['id', 'username', 'email', 'password', 'first_name', 'last_name', 'is_active', 'registration_payment_mode',
-            'clubs', 'country', 'phone', 'licence_id', 'umpire_code',
+        (None, {'fields': ['id', 'username', 'email', 'password', 'first_name', 'last_name', 'is_active']}),
+        ('Permissions', {'fields': ['is_staff', 'is_superuser', 'groups', 'user_permissions']}),
+        ('Personal Info', {'fields': ['registration_payment_mode', 'clubs', 'country', 'phone', 'licence_id', 'umpire_code']}),
+        ('Tournament Settings', {'fields': [
             'summons_message_body', 'summons_message_signature', 'summons_available_payment_methods',
             'summons_display_format', 'summons_display_entry_fee', 'summons_use_full_custom_message',
             'match_formats_default_duration', 'bracket_match_format_preference', 'group_stage_match_format_preference',
-            'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode', 'groups', 'origin', 'agents', 'should_synchronize'
+            'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode', 'origin', 'agents', 'should_synchronize'
         ]}),
-        ]
+    ]
+
     add_fieldsets = [
         (
             None,