Add JavaScript CORS question

[TylerMommsen]

New Question

• What is Cross-Origin Resource Sharing (CORS)?

Context/Motivation

• CORS is relevant to JavaScript developers because JavaScript is commonly used to make HTTP requests to APIs and other web resources. It's crucial developers understand and address security risks associated with cross-origin HTTP requests.

Type of change

• [x] New Question

Checklist:

• [x] My content follows the style guidelines of this project
• [x] I have performed a self-review of my own content

[roblarsen]

There's already a CORS question

[roblarsen]

Thanks for you PR!