forgot to commit the csharp readme

Author: akatesmith

samples/tutorials/AzureSqlGettingStartedSamples/csharp/Readme.md

@@ -1,7 +1,7 @@
 # Developing applications with C# and Azure SQL 
 
 Pick a platform below to get started:
-* [unix-based (Includes macOS, RHEL, Ubuntu, SLES](linktodo)
-* [Windows](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/Windows)
+* [unix-based (Includes macOS, RHEL, Ubuntu, SLES](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/AzureSqlGettingStartedSamples/csharp/Unix-based)
+* [Windows](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/AzureSqlGettingStartedSamples/csharp/Windows)
 
 Please visit our [getting started tutorials](https://www.microsoft.com/en-us/sql-server/developer-get-started/)