Add OCR import support for void critical table

src/RolemasterDb.ImportTool/SourceRenderProfile.cs

@@ -0,0 +1,15 @@
+namespace RolemasterDb.ImportTool;
+
+public sealed class SourceRenderProfile(int renderDpi, int scaleFactor)
+{
+    public int RenderDpi { get; } = renderDpi;
+    public int ScaleFactor { get; } = scaleFactor;
+
+    public int ScaleCoordinate(int value) => checked(value * ScaleFactor);
+
+    public static SourceRenderProfile XmlAligned() =>
+        new(PdfXmlExtractor.ScaledRenderDpi, PdfXmlExtractor.RenderScaleFactor);
+
+    public static SourceRenderProfile OcrPixels(int renderDpi) =>
+        new(renderDpi, 1);
+}