Image slider help


I’ve spent last 4 day trying to get image slider running, i tried swiper.js, i tried cloning and still nothing works. I have no idea why this simple task has to be so difficult. I just want to add simple like on the photo. Is there somebody who could help me with it? I’m absolutely lost and can’t find anything to fix my issue.

Here is photo of what i want to achieve, something like that just different picture size

Here is my site Read-Only: LINK
(how to share your site Read-Only link)