Update README.md - practices-ng-commands

[johnnyelwailer]

Description

This change updates the practices-ng-commands README to simplify the documented usage example for the puiClickCommand directive. The example button previously bound the [disabled] attribute manually to saveCommand.disabledSignal(), which is redundant because the directive already handles the disabled state internally. Removing the explicit binding keeps the documentation accurate and demonstrates the intended, more concise usage.

• Impacts functionality?
• Impacts security?
• Breaking change?
• Includes tests?
• Includes documentation?

How This Was Tested

No automated testing was performed as this is a documentation-only change to a single Markdown file. The updated example was reviewed for correctness against the directive's intended behavior.

Integration Instructions

N/A

[johnnyelwailer]

Automated review: checked existing threads; added one unaccounted inline suggestion for the command README disabled-state example.

[johnnyelwailer]

Suggested change

	<button [puiClickCommand]="saveCommand">Save</button>
	<button [puiClickCommand]="saveCommand" [disabled]="saveCommand.disabledSignal()">Save</button>

🟡 Example no longer disables the save button

PuiClickCommandDirective only triggers commandSignal()?.trigger(...); it does not bind the host button's disabled attribute, so the form-save example still needs this binding to reflect saveCommand.disabledSignal().