Resolves @62 added alt descriptions for accessibility

[wyang0216]

Changes

Added alternative descriptions for photos to improve website accessibility

How Has This Been Tested?

Ran on local computer using ruby and jekyll

Mentions

@Korusuke

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature and improvements (non-breaking change which adds/improves functionality)
• Bug fix (non-breaking change which fixes an issue)
• Code Refactoring (internal change which is not user facing)
• Documentation
• Test, CI, or build

Checklist

• Coding style of this project is followed
• Change in documentation is required
• Documentation has been updated accordingly
• Unit tests have been added to cover code change

[Korusuke]

Except for the conflicts everything looks good to me 👍

[wyang0216]

fixed, thanks