links/linkstore/admin.py

from django.contrib import admin

# Register your models here.
from linkstore.models import Category, Link


class LinkInline(admin.TabularInline):
    model = Link
    extra = 4


class CategoryAdmin(admin.ModelAdmin):
    fieldset = [(None, {"fields": ["name"]})]
    inlines = [LinkInline]


admin.site.register(Link)
admin.site.register(Category, CategoryAdmin)