Function addScript

Public API for the packageJson namespace

addScript(name: string, command: string, cwd?: string): Promise<void>
Adds a script entry to package.json If there is an existing script with the same name, it will be overwritten.
Parameters
- name: string
  the name of the script
- command: string
  the command to run
- Optionalcwd: string
  override the working directory
Returns Promise<void>
Example
```
import { packageJson } from 'ember-apply';

await packageJson.addScript('say:hi', 'echo "hi"');
```
- Defined in package-json/utils.js:214