Create a single-page quickstart with pointers to more detail in other sections

[jchodera]

A single-page "quickstart" (TL;DR) could help people easily identify the main ideas and identify gaps in their knowledge.
Consider making it easy for someone who is already knowledgeable to learn your practices very rapidly.

• Use the cookiecutter to get started
• We will use the MIT License because everyone can use our code then
• Use latest Python
• Use numpy docstring convention
• Active GitHub Actions setting to get CI started
• Here's how to easily deploy your docs
• Here's how to deploy your code