Update repo metadata

Author: yaohaizh

README.md

@@ -1,7 +1,9 @@
 ---
 page_type: sample
-languages: java
-products: azure
+languages:
+- java
+products:
+- azure
 services: Sql
 platforms: dotnet
 author: yaohaizh
@@ -28,9 +30,9 @@ Set the environment variable `AZURE_AUTH_LOCATION` with the full path for an aut
     git clone https://github.com/Azure-Samples/sql-database-dotnet-manage-sql-databases-across-regions.git
 
     cd sql-database-dotnet-manage-sql-databases-across-regions
-  
+
     dotnet build
-    
+
     bin\Debug\net452\ManageSqlDatabasesAcrossDifferentDataCenters.exe
 
 ## More information ##