Add dbup for sql script handling

DataLayer/scripts/seed/01-types/TblUserHashes.sql

@@ -0,0 +1,6 @@
+
+CREATE TYPE dbo.TblUserHashes AS TABLE
+          (
+    UserAccountId UNIQUEIDENTIFIER NOT NULL,
+    Hash NVARCHAR(MAX) NOT NULL
+          );

DataLayer/scripts/seed/procedures/USP_AddUserCredentials.sql

@@ -1,3 +1,4 @@
+-- Stored procedure to insert Argon2 hashes
 CREATE OR ALTER PROCEDURE dbo.USP_AddUserCredentials
 (
     @Hash dbo.TblUserHashes READONLY
@@ -18,3 +19,4 @@ BEGIN
 
     COMMIT TRANSACTION;
 END;
+GO