Rename repo to aws-cdk-python-quickstart?

[russomi]

Is your feature request related to a problem? Please describe.
This repo really turned into the quickstart from the aws cdk documentation.

Describe the solution you'd like
We should rename the repo to aws-cdk-python-quickstart.

Describe alternatives you've considered
Alternative solutions could be to create multiple folders inside this repo...

• aws-cdk-python
  • quickstart/ - quickstart related folder
  • workshop/ - workshop related folder
  • README.md - aws-cdk-python README.md

Additional context