Autogenerate api, views, urls, and tests

[ethanstrominger]

Overview

Speed up development by autogenerating standard code for api, views, urls, and tests.

Technical Implementation

See https://github.com/ethanstrominger/peopledepot/blob/autogenerate-wip-341/app/core/management/commands

I started this but have not yet created a pull request, needs review and instructions on how to run them.

Seven files:
autogenerate_admin.py
autogenerate_serializer.py
autogenerate_test.py
autogenerate_url.py
autogenerate_view.py
serializer_template.txt
view_template.txt