feat: added og:image priority for article cover

[elkmod]

This PR sets the og:image meta header to the article cover image, if one is set. It overrides the global alpine.head.image configuration which is used as a fallback.

Relates to #111

[codesandbox[bot]]

  Open in CodeSandbox Web Editor | VS Code | VS Code Insiders

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
alpine	✅ Ready (Inspect)	Visit Preview	Feb 16, 2023 at 3:27PM (UTC)

[elkmod]

Before:

After:

[atinux]

Nice! Have you check when the article is 404 that it does not break the app?

[elkmod]

The 404 behaviour hasn't changed, we don't deliver any og: headers at all 🤔

• 404 after
• 404 before