add origin information

Author: AnakinRaW

src/ModVerify/Reporting/Baseline/BaselineSource.cs

@@ -0,0 +1,7 @@
+namespace AET.ModVerify.Reporting.Baseline;
+
+public enum BaselineSource
+{
+    File,
+    EmbeddedDefault,
+}

src/ModVerify/Reporting/Baseline/IdentifiedBaseline.cs

@@ -5,14 +5,17 @@ namespace AET.ModVerify.Reporting.Baseline;
 public sealed record IdentifiedBaseline
 {
     public string Identifier { get; }
-    
+
     public VerificationBaseline Baseline { get; }
 
-    public IdentifiedBaseline(string identifier, VerificationBaseline baseline)
+    public BaselineSource Source { get; }
+
+    public IdentifiedBaseline(string identifier, VerificationBaseline baseline, BaselineSource source)
     {
         if (string.IsNullOrEmpty(identifier))
             throw new ArgumentException("Identifier must be non-empty.", nameof(identifier));
         Identifier = identifier;
         Baseline = baseline ?? throw new ArgumentNullException(nameof(baseline));
+        Source = source;
     }
-}
+}