feat(examples): Introduce simple Python HTTP server

[razvand]

Introduce example for a simple Python HTTP server. It uses the python:3.12 image (binary-compatible).

Add:

• Kraftfile: build / run rules, including pulling the python image
• Dockerfile: application filesystem (just copies server.py)
• README.md: document how to use
• server.py: the actual Python HTTP server implementation

[razvand]

Closing this as there's already and example for it: http-python3.10.