pull master into branch (#30)

* Migrated projects to dotnet8

migrated all projects over to .net8
incomplete feature for gui shipments

* Amazon inventory ledger testing and implementation

Tested what I can until more data for the Amazon Ledger Detail table comes in

* amazon settlement amounts now set to tax inclusive when exporting to invoice

* Some updates to the COM lib to attempt to get it to work on .net 8. Unfinished, porting all Access functions over to vs instead

* feature exchange rate update automation

Automated downloading exchange rates from HMRC and updating the database. Added function call to the console and form applications.

Also added a form to show the console output in form application.

src/bnhtrade.Core/Data/Database/Account/Currency.cs

@@ -234,7 +234,6 @@ namespace bnhtrade.Core.Data.Database.Account
             {
                 sqlConn.Open();
 
-
                 int recordId = 0;
                 using (SqlCommand cmd = new SqlCommand(@"
                         INSERT INTO tblAccountExchangeRate (ExchangeRateSource, CurrencyCode, CurrencyUnitsPerGBP, StartDate, EndDate)