✨ 新增observer类和开发调试器

docs/.vuepress/sidebar.ts

@@ -10,7 +10,7 @@ export default sidebar({
             children: "structure",
         },
         {
-            text: "使用及开发",
+            text: "使用及功能",
             icon: "book",
             prefix: "usage/",
             children: "structure",
@@ -20,6 +20,12 @@ export default sidebar({
             icon: "store",
             prefix: "store/",
             children: "structure",
+        },
+        {
+            text: "开发及贡献",
+            icon: "pen-nib",
+            prefix: "dev/",
+            children: "structure",
         }
     ],
 });