Update keys flex property

The empty button just before script tag is confusing. There is no need for it in the start file as Wes already wrote this element in the end section of tutorial.

fix: link and typos in readme

Passing only recognition.start in the event listener no longer works in Chrome. Changing it to an arrow function fixes the issue.

The Unsplash Source API (source.unsplash.com) has been discontinued, causing all panel background images to break. Replaced with direct Unsplash image URLs and one Pixabay URL where the original image is no longer available.

* Add Khush Gupta's implementation of JavaScript30 challenge

fix: replace broken image URLs in flex panel gallery

Fixed SpeechDetection 'end' event listener

fix: project 3 image source loading

Removed a button element.

sticky nav starting offset point issue on multiple screens is fixed by the height in px.

Update style.css