"How the ... do I share an album on iCloud?: I've created an album (firstly I created a shared album but couldn't add anything to it [...] so then I created a normal album, thinking I could simply add the images then grab a link to the album and share that. But no, this simple ... piece of software can't do that. Aaaarrrg.... "
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Well, According to Google AI:
"To share an iCloud album, open the Photos app on your iPhone or iPad, select a pre-existing album or create a new one, then tap the share icon (the box with an arrow) or the "People" icon and add the email addresses of the people you want to invite.You can also create a shared album directly on iCloud.com by signing in, selecting "Shared Albums," and clicking the "new shared album" icon"
Source: how do I share an album on iCloud?