korochki/users/admin.py

from django.contrib import admin
from django.contrib.auth.admin  import UserAdmin
from .models import User
# Register your models here.
@admin.register(User)
class UserAdmin(admin.ModelAdmin):
    list_display = ["username", "full_name", "phone", "role", "email"]
    fieldsets = UserAdmin.fieldsets = (
        ("Дополнительная информация", {
            "fields": (
                "full_name", "phone", "role"
            ),
        }),
    )

    add_fieldsets = UserAdmin.add_fieldsets = (
        ("Дополнительная информация", {
            "fields": (
                "full_name", "phone", "role"
            ),
        }),
    )