Show a QR code with the address in the terminal when using `--host`.

[Artmann]

Description

As a developer building websites for a myriad of devices, I want to be able to open the local version of my site without having to type IP addresses and ports.

Suggested solution

Print a QR code when using the --host option.

Alternative

No response

Additional context

No response

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that request the same feature to avoid creating a duplicate.