extend the list databases request (#951)

* extend the list databases request

* reuse databaseInfo and refactor

* fix typo

src/Microsoft.SqlTools.ServiceLayer/Connection/Contracts/ListDatabasesParams.cs

@@ -14,5 +14,10 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
         /// URI of the owner of the connection requesting the list of databases.
         /// </summary>
         public string OwnerUri { get; set; }
+
+        /// <summary>
+        /// whether to include the details of the databases.
+        /// </summary>
+        public bool? IncludeDetails { get; set; }
     }
 }

src/Microsoft.SqlTools.ServiceLayer/Connection/Contracts/ListDatabasesResponse.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+using Microsoft.SqlTools.ServiceLayer.Admin.Contracts;
+
 namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
 {
     /// <summary>
@@ -14,5 +16,10 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
         /// Gets or sets the list of database names.
         /// </summary>
         public string[] DatabaseNames { get; set; }
+
+        /// <summary>
+        /// Gets or sets the databases details.
+        /// </summary>
+        public DatabaseInfo[] Databases { get; set; }
     }
 }