I wrote a [script](https://github.com/j0lv3r4/dependency-version-updater) to update dependencies recursively in `package.json` files, e.g.:
```
$ node index.js --path="./examples" --dependencies="react=^16.7.0,react-dom=^16.7.0"
```
This PR contains the result against the examples folder.
Current with-ant-design-less example has some problems.
- Upgrade next7, console found a 404 error.
> After upgrade next7, .next folder didn't find /static/style.css and there is /static/css/style.chunk.css.
- The /_next/static/style.css link don't need be placed in the <Head> tag. The style.chunk.css file will be add in the head tag automatically after build.
- The project with more pages include _app.js, _document.js...the antd-custom.less will not work well.
> The solution is use `modifyVars` of `lessLoaderOptions`. It work well in my project~
* Update .babelrc
babel-plugin-transform-decorators-legacy does not exist in babel 7 in replace use @babel/plugin-proposal-decorators
* Update package.json
Acording the last commit please, test this example , will be work .
