[seo] implement link previews

[bhajneet]

Summary

from https://getoutofmyhead.dev/link-preview-meta-tags/ :

<title>Meta Tags — Preview, Edit and Generate</title>
<meta name="description" content="With Meta Tags you can edit and experiment with your content then preview how your webpage will look on Google, Facebook, Twitter and more!">

<meta property="og:type" content="website">
<meta property="og:url" content="https://metatags.io/">
<meta property="og:title" content="Meta Tags — Preview, Edit and Generate">
<meta property="og:description" content="With Meta Tags you can edit and experiment with your content then preview how your webpage will look on Google, Facebook, Twitter and more!">
<meta property="og:image" content="https://metatags.io/assets/meta-tags-16a33a6a8531e519cc0936fbba0ad904e52d35f34a46c97a2c9f6f7dd7d336f2.png">

Open Graph Protocol: https://ogp.me/

Approach