Add API endpoints for content and update MCP resources to use them

Co-authored-by: ArthurDanjou <29738535+ArthurDanjou@users.noreply.github.com>

server/api/profile.get.ts

@@ -0,0 +1,7 @@
+export default defineEventHandler(async (event) => {
+  const result = await queryCollection(event, 'profile')
+    .where('extension', '=', 'md')
+    .first()
+
+  return result
+})