CheckBox: make it a standalone component

[RogueTea]

Describe the bug

Based on Discussion. This is a ticket to track the checkbox component This is not a bug ticket.

Environment

Windows

Reproducer

No response

Angular version

17.3.6

PrimeNG version

17.16.0

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

v21.7.3

Browser(s)

No response

Steps to reproduce the behavior

No response

Expected behavior

No response