added link to RedGate SQL Server Prompt on README.md

Author: Kevin Martin

README.md

@@ -590,6 +590,8 @@ SQL statements should be arranged in an easy-to-read manner. When statements are
 
 Use one of the two RedGate SQL Prompt formatting styles "[Team Collapsed](https://github.com/EmergentSoftware/SQL-Server-Assess/blob/master/Development%20Application%20Settings/Red%20Gate/SQL%20Prompt/Formatting%20Styles/Team%20Collapsed.sqlpromptstylev2)" or "[Team Expanded](https://github.com/EmergentSoftware/SQL-Server-Assess/blob/master/Development%20Application%20Settings/Red%20Gate/SQL%20Prompt/Formatting%20Styles/Team%20Expanded.sqlpromptstylev2)". If you edit T-SQL code that was in a one of the two styles, put the style back to its original style after you completed editing.
 
+See [RedGate SQL Server Prompt](redgate-sql-server-prompt) for configure instructions.
+
 
 ## Not Using Code Comments
 **Check Id:** [NONE YET]