Add prerequisites for dbt package usage (#128)

Added prerequisites section to README for dbt package usage.

Author: fivetran-joemarkiewicz

README.md

@@ -50,6 +50,7 @@ By default, this package materializes the following final tables:
 | Salesforce Object Name | Table which includes the base Salesforce object fields in addition to any applicable Salesforce formula fields. |
 
 ¹ Each Quickstart transformation job run materializes these models if all components of this data model are enabled. This count includes all formula field models materialized as `view`.
+
 ---
 
 ## Prerequisites
@@ -183,4 +184,4 @@ We highly encourage and welcome contributions to this package. Learn how to cont
 
 ## Are there any resources available?
 - If you have questions or want to reach out for help, see the [GitHub Issue](https://github.com/fivetran/dbt_salesforce_formula_utils/issues/new/choose) section to find the right avenue of support for you.
-- If you would like to provide feedback to the dbt package team at Fivetran or would like to request a new dbt package, fill out our [Feedback Form](https://www.surveymonkey.com/r/DQ7K7WW).
+- If you would like to provide feedback to the dbt package team at Fivetran or would like to request a new dbt package, fill out our [Feedback Form](https://www.surveymonkey.com/r/DQ7K7WW).