fix(index): do not complain about wrong external typings

Author: niieani

src/index.ts

@@ -1,6 +1,6 @@
 import {WebpackConfigWithMetadata, get} from '@easy-webpack/core'
 import * as path from 'path'
-import {TsConfigPathsPlugin, CheckerPlugin} from 'awesome-typescript-loader'
+const { TsConfigPathsPlugin, CheckerPlugin } = require('awesome-typescript-loader') // does not complain about typings
 
 /**
  * Typescript loader support for .ts
@@ -28,4 +28,4 @@ export = function typescript({options = undefined, exclude = null} = {}) {
       ].concat(get(this, 'plugins', []))
     }
   }
-}
+}