Gave the configuration table headers

README.md

@@ -6,8 +6,9 @@ SendGrid is a cloud-based email delivery platform that enables businesses to sen
 
 # Configuration
 
-| **SMTP Server**   | `smtp.sendgrid.net`          |
+| **Key**           | **Value**                    |
 | ----------------- | ---------------------------- |
+| **SMTP Server**   | `smtp.sendgrid.net`          |
 | **SMTP Port**     | `587`                        |
 | **SMTP User**     | `apikey`                     |
 | **SMTP Password** | Enter your SendGrid API Key. |