Links and Images: Add additional resource link for better understandi…

…ng image formats (#28612)

* Add additional resource link for understanding image formats

Added a link to an imagekit.io article in the "Additional Resources" section of the "Links and Images" lesson. The article compares JPEG, PNG, GIF, and WebP formats, helping learners choose the right format for web use.

* Improve link text for image formats resource

Updated the link text in the "Additional Resources" section of the "Links and Images" lesson to be more descriptive. The link now clearly indicates that it leads to an article on the best image formats for web use, ensuring better accessibility and compliance with guidelines.

* Remove "this" word from a link description

Ensuring compliance with guidelines.

foundations/html_css/html-foundations/links-and-images.md

@@ -322,3 +322,4 @@ This section contains helpful links to related content. It isn't required, so co
 - [Interneting is hard's treatment on HTML links and images](https://internetingishard.netlify.app/html-and-css/links-and-images)
 - [What happened the day Google decided links including (`/`) were malware](https://www.itpro.co.uk/609724/google-apologises-after-blacklisting-entire-internet)
 - [Chris Coyier's When to use target="_blank" on CSS-Tricks](https://css-tricks.com/use-target_blank/)
+- If you're looking to deepen your understanding of the various image formats used on the web, [the following article which is titled: Which is the Best Image Format for Your Website?](https://imagekit.io/blog/best-image-format-for-web/) from imagekit.io is a great resource. It offers a detailed comparison of JPEG, PNG, GIF, and WebP formats, helping you choose the right one for your needs. Note that the article doesn't cover SVG, but it's still an excellent guide for the other common formats.