message: docs(readme): update readme
diff: # Angular Chartist
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  @@ -28,25 +27,7 @@ Chartist component for Angular 2
  npm install @angular/core ng-chartist chartist --save
  ```
  -### Additionally typings for the chartist library need to be installed:
  -
  -- For TSC <= 1.8:
  -
  -```
  -npm install -g typings --save
  -```
  -
  -```
  -typings install -g dt~chartist --save
  -```
  -
  -- For TSC = 2.0+ typings can be installed through npm directly:
  -
  -```
  -npm install @types/chartist --save-dev
  -```
  -
  -### Then use it in your app like so:
  +### Usage
  ```typescript
  import { NgModule } from '@angular/core';
  