Use @import for remaining type imports

Author: remcohaszing

README.md

@@ -109,7 +109,7 @@ Then in your MDX file:
 
 ```mdx
 {/**
-  * @typedef {import('../mdx-components.js').MDXProvidedComponents} MDXProvidedComponents
+  * @import {MDXProvidedComponents} from '../mdx-components.js'
   */}
 
 <Planet name="Earth" />

packages/typescript-plugin/index.cjs

@@ -2,10 +2,7 @@
 
 /**
  * @import {TsConfigSourceFile} from 'typescript'
- */
-
-/**
- * @typedef {import('unified', {with: {'resolution-mode': 'import'}}).Plugin} Plugin
+ * @import {Plugin} from 'unified' with {'resolution-mode': 'import'}
  */
 
 const {pathToFileURL} = require('node:url')