Build a Django To-Do app

Code newbies and new open source contributors -- help us build our repository of CockroachDB To-Do apps!

**What is CockroachDB?**
CockroachDB is the distributed SQL database built to scale fast, survive anything, and thrive everywhere. Whether you are a single-person startup or a global enterprise, CockroachDB was designed to make managing data easy. To learn more about CockroachDB, see our [website](https://www.cockroachlabs.com/) and [docs](https://www.cockroachlabs.com/docs/stable/).

**Detailed instructions to help you build the app**
For step-by-step instructions, see the [README](https://github.com/cockroachdb/cockroachdb-todo-apps/blob/master/README.md)

**Additional Resources**
https://www.cockroachlabs.com/docs/v20.1/build-a-python-app-with-cockroachdb.html

Start with the repository README linked in the issue and use its step-by-step instructions for the Django app. Consult the linked CockroachDB Python app guide for additional context. Done means the repository contains a working Django To-Do app using CockroachDB.

Written by the indexing model from the issue text.