Environment

• Pythonnet version: 2.5
• Python version: 3.8.5
• Operating System: Windows 10 (NT)

Details

• Describe what you were trying to get done.

Add Python syntax highlighting to the Python code in README.rst

• What commands did you run to trigger this issue? If you can provide a
  Minimal, Complete, and Verifiable example this will help us understand the issue.

  None

• If there was a crash, please include the traceback here.

  None