<title>add missing manchester picture

### Link to the page

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

### Steps to reproduce

navigate to the website
the image for the manchester tram is missing

Open the linked website and locate the Manchester tram section where the image is missing, then inspect the repository's HTML and image assets to trace that page. Done means the Manchester tram picture appears correctly on the website.

索引モデルが issue の本文から書いたものです。