Initial commit: JDE Scoping Tool migration project

Set up repository with legacy .NET Framework 4.8 source (OLD/),
new .NET 10 Blazor solution (NEW/), OpenSpec specifications,
documentation, and project configuration.

OLD/Database/Tables/DataUpdate.sql

@@ -0,0 +1,19 @@
+CREATE TABLE [dbo].[DataUpdate]
+(
+	[ID] INT IDENTITY(1,1) NOT NULL, 
+    [SourceSystem] VARCHAR(50) NOT NULL, 
+    [SourceData] VARCHAR(50) NOT NULL, 
+    [TableName] VARCHAR(50) NOT NULL, 
+    [StartDT] DATETIME NOT NULL, 
+    [EndDT] DATETIME NOT NULL, 
+    [UpdateType] SMALLINT NOT NULL, 
+    [WasSuccessful] BIT NOT NULL, 
+    [NumberRecords] BIGINT NOT NULL,
+	CONSTRAINT [PK_DataUpdate] PRIMARY KEY CLUSTERED([ID])
+)
+
+GO
+
+CREATE INDEX [IX_DataUpdate_LastUpdate] ON [dbo].[DataUpdate] ([TableName], [WasSuccessful], [StartDT] DESC)
+
+GO