squash a bunch of commits

Shogi.Database/Session/Stored Procedures/UpdateSession.sql

@@ -0,0 +1,14 @@
+CREATE PROCEDURE [dbo].[UpdateSession]
+	@SessionName [session].[SessionName],
+	@BoardStateJson [session].[JsonDocument]
+AS
+BEGIN
+	SET NOCOUNT ON;
+
+	UPDATE bs
+	SET bs.Document = @BoardStateJson
+	FROM [session].[BoardState] bs
+		INNER JOIN [session].[Session] s on s.Id = bs.SessionId
+	WHERE s.Name = @SessionName;
+
+END