<missing alt attribute in Glasgow image>

### Link to the page

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

### Steps to reproduce

we run lighthouse accessibility test and we found the Glasgow image does not have alt attribute

Open the linked GitHub Pages site and inspect the Glasgow image identified by the Lighthouse accessibility result. Add an appropriate alt attribute to that image, then rerun the Lighthouse accessibility test and confirm the missing-alt warning is resolved.

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