New useContent composable to store global navigation state. Fixes for Markdown and Canvas

schemas/project.ts

@@ -15,11 +15,9 @@ const baseItem = z.object({
 export const item: z.ZodType<ProjectItem> = baseItem.extend({
     children: z.lazy(() => item.array().optional()),
 });
-export const project = z.object({
-    items: z.array(item),
-});
- 
-export type Project = z.infer<typeof project>;
-export type ProjectItem = z.infer<typeof baseItem> & {
+export const project = z.array(item);
+
+type Project = z.infer<typeof project>;
+type ProjectItem = z.infer<typeof baseItem> & {
     children?: ProjectItem[]
 };