feat/types: import types in jsdoc

- remove main field from package.json
- update integration test fixtures
- update readme example

README.md

@@ -324,15 +324,14 @@ The `options` object type definition in [src/externalTypes.ts](src/externalTypes
 #### Example: Adding Postcss
 
 ```js
-const tsdx = require('tsdx');
 const postcss = require('rollup-plugin-postcss');
 const autoprefixer = require('autoprefixer');
 const cssnano = require('cssnano');
 
 module.exports = {
   /**
-   * @param {tsdx.RollupOptions} config
-   * @param {tsdx.TsdxOptions} options
+   * @param {import('tsdx').RollupOptions} config
+   * @param {import('tsdx').TsdxOptions} options
    */
   rollup(config, options) {
     config.plugins.push(

package.json

@@ -18,7 +18,6 @@
   "bugs": {
     "url": "https://github.com/formium/tsdx/issues"
   },
-  "main": "./dist/externalTypes.js",
   "typings": "./dist/externalTypes.d.ts",
   "bin": {
     "tsdx": "./dist/index.js"

test/integration/fixtures/build-withConfig/tsdx.config.js

@@ -1,13 +1,11 @@
-/* eslint-disable-next-line no-unused-vars */
-const tsdx = require('..');
 const postcss = require('rollup-plugin-postcss');
 const autoprefixer = require('autoprefixer');
 const cssnano = require('cssnano');
 
 module.exports = {
   /**
-   * @param {tsdx.RollupOptions} config
-   * @param {tsdx.TsdxOptions} options
+   * @param {import('tsdx').RollupOptions} config
+   * @param {import('tsdx').TsdxOptions} options
    */
   rollup(config, options) {
     config.plugins.push(