Derived from here

cd websites
django-admin startproject murdermystery
cd murdermystery
python3 manage.py runserver

hit ctrl+c to stop

Create a new script builder app

python3 manage.py startapp scriptbuilder
nano murdermystery/settings.py

See this section to pre-define a custom user class before creating any databases.

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'script_builder.apps.ScriptBuilderConfig'
]

Update Database if necessary.

TIME_ZONE = 'UTC'

TIME_ZONE = 'America/Phoenix'

Edit URL mappings

nano murdermystery/urls.py

add to bottom

# Use include() to add paths from the catalog application
from django.urls import include

urlpatterns += [
    path('script_builder/', include('script_builder.urls')),
]

# Use static() to add url mapping to serve static files during development (only)
from django.conf import settings
from django.conf.urls.static import static

urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

save and close

Now paste the following into

nano script_builder/urls.py

from django.urls import path
from . import views

urlpatterns = [

]

python manage.py makemigrations
python manage.py migrate

python manage.py runserver

Models

Add models according to this page

Register models and add super user

nano script_builder/admin.py

from django.contrib import admin

# Register your models here.

from .models import Author, Genre, Book, BookInstance

admin.site.register(Book)
admin.site.register(Author)
admin.site.register(Genre)
admin.site.register(BookInstance)

python manage.py createsuperuser
python3 manage.py runserver

Go to localhost:8000/admin