add vitepress docs

docs/.vitepress/theme/env.d.ts

@@ -0,0 +1,16 @@
+/// <reference types="vitepress/client" />
+
+/** 构建期由 vue-docgen-api 解析生成的组件 API 数据。 */
+declare module "virtual:timi-api" {
+	import type { ComponentApiMap } from "../api-types";
+
+	const apiMap: ComponentApiMap;
+	export default apiMap;
+}
+
+declare module "*.vue" {
+	import type { DefineComponent } from "vue";
+
+	const component: DefineComponent<Record<string, unknown>, Record<string, unknown>, unknown>;
+	export default component;
+}