Update readme.md

Author: VasiyaKrishnan

samples/demos/azure-sql-edge-demos/readme.md

@@ -5,3 +5,4 @@ In this folder, you will find the required files to execute
 1. The [Iron Ore Silica Impurities Demo](https://docs.microsoft.com/en-us/azure/azure-sql-edge/tutorial-deploy-azure-resources)
  * DACPAC or Data Tier AppliCation Package is a single file which contains database model i.e. all files represent database objects. This file can be downloaded [here](https://github.com/microsoft/sql-server-samples/tree/master/samples/demos/azure-sql-edge-demos/iron-ore-silica-impurities/DACPAC).
  * The ARM/AMD docker image files that need to be pushed to the conatiner registry can be downloaded [here](https://github.com/microsoft/sql-server-samples/tree/master/samples/demos/azure-sql-edge-demos/iron-ore-silica-impurities/tar-files). 
+2. The wind turbine demo can be downloaded and run on your local machines