Update README.md

README.md

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-# TransactionContext
+# TransactionContext (Proof of concept)
+TransactionContext is designed to execute statements changing state (also call to stored procedures) in a single transaction and a single request to database (collects SQL statements without instant execution). 
+
+It can be an alternative for Entity Framework Core and TransactionScope in .NET.     
+
+```sh
+transactionContext.Add("INSERT INTO Customers (CustomerId) VALUES (@CustomerId)", new { CustomerId = Guid.NewGuid() });
+transactionContext.Add("INSERT INTO Orders (OrderId) VALUES (@OrderId)", new { OrderId = Guid.NewGuid() });
+```
+
+`transactionContext.Commit()` open connection, create transaction and execute sql statments in a single database request.
+
+```sh
+await transactionContext.Commit();
+```