message: docs: add npm package details
diff: @@ -32,9 +32,16 @@ module.exports.render = (event, context, callback) => {
  ## Getting started
  -Let's first configure the `serverless.yml` file:
  +### Installing
  -### Plugin configuration
  +`npm install --save-dev serverless-nextjs-plugin`
  +
  +Edit the serverless.yml and add the plugin:
  +
  +```
  +plugins:
  + - serverless-nextjs-plugin
  +```
  The plugin only needs to know where your `next.config.js` file is located. Note it expects the directory and not the actual file path. E.g. `./nextApp` where inside nextApp there is `next.config.js`.
  @@ -44,9 +51,7 @@ custom:
  nextConfigDir: '/dir/to/my/nextApp'
  ```
  -### Page functions
  -
  -Configure the functions for the next serverless pages as you would do for any other [serverless function](https://serverless.com/framework/docs/providers/aws/guide/functions/).
  +Configure the functions for the next serverless pages as you would do for any other [serverless function](https://serverless.com/framework/docs/providers/aws/guide/functions/). In the example below, is assumed next distDir is `build`.
  ```
  functions:
  