Update the Marketplace EQP API "Help" section

* make it more obvious about the title to the "Sandbox Marketplace Developer Portal"
* For the base URLs, list "production" before "sandbox" since everyone can access **production** but access to **sandbox** is limited

Author: mikeweis

src/marketplace/eqp/v1/help.md

@@ -22,13 +22,13 @@ Use these resources if you need additional help.
 **Websites:**
 
 -  [Marketplace Developer Portal](https://developer.magento.com)
--  [sandbox](https://developer-stg.magento.com)
+-  [Sandbox Marketplace Developer Portal](https://developer-stg.magento.com)
 -  [Magento Marketplace](https://marketplace.magento.com)
 -  [Magento Account](https://account.magento.com)
 
 **Base URLs:**
 
 |Environment|Base Url|
 |-----------|--------|
-|sandbox    | `https://developer-stg-api.magento.com` |
 |production | `https://developer-api.magento.com`     |
+|sandbox    | `https://developer-stg-api.magento.com` |