Add SeriesPage (which I forgot to commit)

internal/catalog/series.templ

@@ -0,0 +1,23 @@
+package catalog
+
+import "github.com/marcuswhybrow/ray-peat-rodeo/internal/global"
+
+templ SeriesPage(series string, assets []*Asset) {
+	@global.Base(series) {
+		<div class="max-w-2xl mx-auto mb-32">
+			<h1 class="mb-4 mt-16 text-3xl text-center">{ series }</h1>
+			<ul class="text-center">
+				for _, asset := range assets {
+					<li>
+						<a
+							href={ templ.SafeURL(asset.UrlAbsPath) }
+							class="font-bold underline text-blue-500 text-lg mb-2 hover:text-blue-600"
+						>
+							{ asset.FrontMatter.Source.Title }
+						</a>
+					</li>
+				}
+			</ul>
+		</div>
+	}
+}