Adding comment listing sister sites for non-exclusive Gamma API scenes.

src/scrapers/gamma.js

@@ -237,6 +237,10 @@ async function scrapeApiReleases(json, site) {
 			.concat(scene.categories?.map((category) => category.name))
 			.filter(Boolean); // some categories don't have a name
 
+		if (scene.availableOnSite.length > 1) {
+			release.comment = `Also available on ${scene.availableOnSite.filter((sisterSite) => sisterSite !== site.slug).join(', ')}`;
+		}
+
 		const posterPath = scene.pictures.resized || (scene.pictures.nsfw?.top && Object.values(scene.pictures.nsfw.top)[0]);
 
 		if (posterPath) {