add sprite to articlecard, add resources to author pages, fix various styling issues

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

@@ -55,7 +55,7 @@ export default {
         },
         color: "#c7f718"
     },
-    authors: [bignutty.id],
+    authors: [bignutty],
     collections: [
         testCollection.id,
         featuredCollection.id

src/content/collections/gramophone.pagex.js

@@ -0,0 +1,17 @@
+import {VoidcannonCollectionColor, VoidcannonCollectionIconType, VoidcannonContentType} from "voidcannon";
+import {PagexResourceTransformer} from "pagex";
+
+export default {
+    type: VoidcannonContentType.COLLECTION,
+    id: "gramophone",
+    name: "Gramophone",
+    description: "Anything about Gramophone, the alternative Last.fm frontend.",
+    color: VoidcannonCollectionColor.BLUE,
+    icon: {
+        type: VoidcannonCollectionIconType.IMAGE,
+        image: {
+            _transform: PagexResourceTransformer.MEDIA,
+            path: "./assets/gramophone.png"
+        }
+    }
+}