Update readme

Author: mikebronner

README.md

@@ -18,17 +18,40 @@ available for some other editors.
    composer require genealabs/laravel-whoops-atom
    ```
 
-2. **This is only required for Laravel 5.4 or below:**
-   Add the service provider entry in `config/app.php`:
-   ```php
-   // 'providers' => [
-       GeneaLabs\LaravelWhoopsAtom\Providers\Service::class,
-   // ],
-   ```
+2. Install [Atom Protocol Handler](https://github.com/WizardOfOgz/atom-handler)
+as per the instructions provided there.
 
 ## Configuration
 ```php
+/*
+|--------------------------------------------------------------------------
+| Local Sites Path
+|--------------------------------------------------------------------------
+|
+| Specify the local development folder that is synchronized with Homestead.
+| If you are not using Homestead, set this to an empty string or null.
+| This corresponds to the `-map:` line under `folders` in your
+| `Homestead.yaml` file.
+|
+| Default: ~/Code (string|null)
+|
+*/
+'local-sites-path' => '~/code',
 
+/*
+|--------------------------------------------------------------------------
+| Homestead Sites Path
+|--------------------------------------------------------------------------
+|
+| Specify the base path where Homestead stores the synced folder with your
+| web sites. If you are not using Homestead, set this to an empty string
+| or null. This corresponds to the `to:` line under `folders` in
+| your `Homestead.yaml` file.
+|
+| Default: /home/vagrant/Code (string|null)
+|
+*/
+'homestead-sites-path' => '/home/vagrant/code',
 ```
 
 ___Only publish the config file if you need to customize it___: