content: update content

voidcannon: style fixes, article layout fixes (check if properties exist)

src/content/articles/playground-empty/playground-empty.pagex.js

@@ -0,0 +1,17 @@
+import {VoidcannonContentType} from "voidcannon";
+
+import placeholder from "../../authors/placeholder.pagex.js";
+
+import {PagexResourceTransformer} from "pagex";
+
+export default {
+    type: VoidcannonContentType.ARTICLE,
+    content: {
+        _transform: PagexResourceTransformer.MARKDOWN,
+        path: "./content.md"
+    },
+    id: "playground-empty",
+    title: "Playground Empty Article",
+    created_at: 1762267626610,
+    authors: [placeholder]
+}