docs(media): add standalone package guide

docs/src/content/registry.ts

@@ -31,8 +31,8 @@ const packageDefinitions: readonly PackageDefinition[] = [
     key: "blocks",
     label: "Blocks",
     description: {
-      zh: "构建应用外壳，并接入导航、通知、聊天、媒体和外观控制。",
-      us: "Build an application shell and add navigation, notifications, chat, media, and appearance controls.",
+      zh: "构建应用外壳，并接入导航、通知、聊天和外观控制。",
+      us: "Build an application shell and add navigation, notifications, chat, and appearance controls.",
     },
   },
   {
@@ -51,6 +51,14 @@ const packageDefinitions: readonly PackageDefinition[] = [
       us: "Build a rich-text editor progressively from its root and content surface to custom actions and media.",
     },
   },
+  {
+    key: "media",
+    label: "Media",
+    description: {
+      zh: "通过存储 Adapter 构建媒体浏览、上传、目录管理和资源选择流程。",
+      us: "Build media browsing, uploads, folder management, and asset selection with a storage adapter.",
+    },
+  },
   {
     key: "preferences",
     label: "Preferences",