Add phase 1 critical import tool

src/RolemasterDb.ImportTool/ExtractOptions.cs

@@ -0,0 +1,13 @@
+using CommandLine;
+
+namespace RolemasterDb.ImportTool;
+
+[Verb("extract", HelpText = "Extract a critical table PDF into a text artifact.")]
+public sealed class ExtractOptions
+{
+    [Value(0, MetaName = "table", Required = true, HelpText = "The manifest slug of the critical table to extract.")]
+    public string Table { get; set; } = string.Empty;
+
+    [Option('d', "db", HelpText = "Optional SQLite database path. Accepted for command consistency.")]
+    public string? DatabasePath { get; set; }
+}