message: docs(readme): updated "Usage" and "Documentation" sections
diff: @@ -89,13 +89,6 @@ import { ChartEvent, ChartType } from 'ng-chartist';
  [options]="options"
  [events]="events"
  ></x-chartist>
  - `,
  - styles: [
  - `
  - x-chartist {
  - display: block;
  - height: 300px;
  - }
  `
  ]
  })
  @@ -125,7 +118,8 @@ export class BarChartComponent {
  options: IBarChartOptions = {
  axisX: {
  showGrid: false
  - }
  + },
  + height: 300
  };
  events: ChartEvent = {
  @@ -149,7 +143,7 @@ You may also find it useful to view the [demo source](https://github.com/willsot
  ## Documentation
  -All documentation is auto-generated from the source via typedoc and can be viewed [here](https://willsoto.github.io/ng-chartist/docs/)
  +All documentation is auto-generated from the source via compodoc and can be viewed [here](https://willsoto.github.io/ng-chartist/docs/)
  ## Development
  