fix: declare vue component type

ref: https://staging.vuejs.org/guide/typescript/overview.html#typescript-in-templates

src/shims.d.ts

@@ -4,12 +4,13 @@ declare interface Window {
 
 // with vite-plugin-md, markdowns can be treat as Vue components
 declare module '*.md' {
-  import type { ComponentOptions } from 'vue'
-  const component: ComponentOptions
+  import type { DefineComponent } from 'vue'
+  const component: DefineComponent<{}, {}, any>
   export default component
 }
 
 declare module '*.vue' {
-  import Vue from 'vue'
-  export default Vue
+  import type { DefineComponent } from 'vue'
+  const component: DefineComponent<{}, {}, any>
+  export default component
 }