feat: add PageCard component and register it in layout; update component registration for view:grid

Author: hotlong

.storybook/preview.ts

@@ -30,6 +30,7 @@ import '@object-ui/plugin-markdown';
 import '@object-ui/plugin-timeline';
 import '@object-ui/plugin-view';
 import '@object-ui/layout';
+import '@object-ui/fields';
 
 const preview: Preview = {
   loaders: [mswLoader],