Typescript example not working

### Description

The TS example doesn't work out of the box.

### Expected behavior

Running
```
npm i
npm run start
```
Should be enough to get it working

### Actual behavior

After installing, I get the following errors:
```
ERROR in /home/dara/react-hot-loader/index.js
Module not found: Error: Can't resolve './dist/react-hot-loader.development.js' in '/home/dara/react-hot-loader'
@ /home/dara/react-hot-loader/index.js 28:51-100
@ ./src/index.tsx
@ multi ./src/index

ERROR in /home/dara/react-hot-loader/index.js
Module not found: Error: Can't resolve './dist/react-hot-loader.production.min.js' in '/home/dara/react-hot-loader'
@ /home/dara/react-hot-loader/index.js 11:19-71 26:21-73
@ ./src/index.tsx
@ multi ./src/index

```

### Environment

React Hot Loader version:
As stated in `package.json` of the `examples/typescript/` folder

Run these commands in the project folder and fill in their results:

1. `node -v`:
v8.10.0

2. `npm -v`:
3.5.2

Then, specify:

1. Operating system:
Ubuntu 18.04 (virtualbox)
2. Browser and version:
Chrome latest

### Reproducible Demo

Included in project