add alist V3 API document (#258 close AlistGo/alist#4933)

* add alist V3 API  document

* 移除了driver list接口的过长的返回值展示

Author: Kuingsmile

docs/.vuepress/sidebar/en.ts

@@ -11,7 +11,7 @@ export const en = sidebar({
       text: "Guide",
       icon: "iconfont icon-creative",
       prefix: "guide/",
-      children: ["install/", "drivers/", "advanced/"],
+      children: ["api/","install/", "drivers/", "advanced/"],
     },
     {
       text: "Config",

docs/.vuepress/sidebar/zh.ts

@@ -10,7 +10,7 @@ export const zh = sidebar({
       text: "使用指南",
       icon: "iconfont icon-creative",
       prefix: "guide/",
-      children: ["install/", "drivers/", "advanced/"],
+      children: ["api/", "install/", "drivers/", "advanced/"],
     },
     {
       text: "配置",

docs/guide/api/README.md

@@ -0,0 +1,9 @@
+---
+title: API
+icon: iconfont icon-token
+index: false
+dir:
+  order: 5
+---
+
+<AutoCatalog />