I don't believe Squabbles is federated/using ActivityPub, so you can't connect to it through Lemmy. We can connect to Lemmy instances, as well as some other ActivityPub communities (most notably Kbin and Mastadon instances), but Squabbles is not using ActivityPub, it's an entirely separate social media.
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Oh. Someone recommended sub.rehab as a place to search for communities. I didn't realize that site has non-Lemmy communities. I guess I'll stick with lemmyverse.
Squabbles isn't federated, so you can't subscribe to anything there
I just realized that sub.rehab has more than just Lemmy communities listed.
Yah, and they don't bother to make the distinction, sadly
Click the hamburger icon in the upper left (talking as if you are in mobile web)
Go to communities.
The page always lists your local communities first, click all
.
In the search box put the full address. It looks like, [!name@domain.tld](/c/name@domain.tld)
. For example, [!cats@lemmy.world](/c/cats@lemmy.world)
Hit search
and wait patiently for up to 15 seconds. Important.
You will see the community show up (unless it's blocked) and you click the link it shows you.
Click on the +
for their Sidebar. Click Subscribe
:3
Search the full link or the full community name, that'll sync it