docs: clarify "Publishing to a local registry"

[n8sabes]

What is it?

• [ ] Feature / enhancement
• [ ] Bug
• [√] Docs / tests

Description

Add clarity to Publishing to a local registry docs.

Use cases and why

Was not clear

Checklist:

• [ ] My code follows the developer guidelines of this project
• [√] I have performed a self-review of my own code
• [√] I have made corresponding changes to the documentation
• [ ] Added new tests to cover the fix / functionality

[shairez]

thanks a lot @n8sabes !

[shairez]

@all-contributors please add @n8sabes for docs

[allcontributors[bot]]

@shairez

I've put up a pull request to add @n8sabes! :tada: