Formatting in readme

Author: edgrosvenor

README.md

@@ -32,23 +32,33 @@ php artisan make:sheet-model
 **Step 1 - Enter the full path to the directory where you want to create the model file (defaults to app_path()):** 
 
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 **Step 2 - Enter the name you want to use for your model class:**
 
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 **Step 3 - Paste the edit url of your Google Sheet from the browser address bar:**
 
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 **Step 4 - Confirm that the path and full classname look right:**
 
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 **Step 5 - And you will receive the template of a macro that you can attach to your sheet that will tell your site that the sheet has changed so a new cache has to be built.**
 
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 ### The Resulting Model Class
 
 ```php