Make it easier to use

You can use the lib much easier if you would include this:

```typescript
import {SortableContainer, SortableElement, SortableHandle} from "react-sortable-hoc";

const component = ({children}: {children: JSX.Element}) => children;

export const SortableItem = SortableElement(component);
export const SortableList = SortableContainer(component);
export const SortHandle = SortableHandle(component);
```

Usage:

```tsx

{this.state.elementForList.map((c, i) =>


• {c}

```