feat(posts): add article source field to collection config

src/collections/Posts/index.ts

@@ -74,6 +74,11 @@ export const Posts: CollectionConfig<'posts'> = {
       type: 'text',
       required: true,
     },
+    {
+      name: 'articleSource',
+      label: 'Article Source',
+      type: 'text',
+    },
     {
       type: 'tabs',
       tabs: [