Fix image display

### Link to the page

https://codeyourfuture.github.io/github_issues_prs_practice/

### Steps to reproduce

Navigate to website
Image for Manchester on 2nd row does not display

Open the linked website and inspect the Manchester image in the second row, then trace it to the corresponding HTML and image asset. Check the image path and filename against the repository contents. Done means the Manchester image renders on the page without affecting the other images.

索引モデルが issue の本文から書いたものです。