update readme

AzureSQLWorkshop/azuresqlworkshop/04-Performance/readme.md

@@ -2,6 +2,15 @@
 
 These represent demos and examples you can run that accompany Module 4. See [Module 4](../04-Performance.md) for details on how to use the files in this module.
 
-## verifydeployment TODO
+## monitor_and_scale
 
-TODO Run the verify deployment queries and review the results across Azure SQL Database, Azure SQL Managed Instance, and SQL Server 2019. Main notebook file [here](./verifydeployment/VerifyDeployment.ipynb).
+Contains all the scripts for Activities 1 and 2. See the main Module 4 page for details.  
+
+
+## tuning_applications
+
+Contains all the scripts for Activity 3. See the main Module 4 page for details.  
+
+## tuning_recommendations
+
+Contains all the scripts for Activity 4. See the main Module 4 page for details.