fix: adjust width class in BlogContent.astro

[leungsekyu]

Changed w-sm to w-xs to fix alignment issues in smaller screen sizes.

Changes

• Replaced the Unocss class w-sm with w-xs in BlogContent.astro.
• Resolved a layout misalignment issue for smaller screens (e.g., mobile devices).
• No additional dependencies or breaking changes were introduced.

Before (click to view full-size image)

After (click to view full-size image)

Docs

• No documentation update required. This change is purely visual and does not affect public-facing APIs or usage.

[vercel]

@leungsekyu is attempting to deploy a commit to the Elian Van Cutsem's projects Team on Vercel.

A member of the Team first needs to authorize it.