audit notes work completed, test fixes work (95% done), new sprints, new data sources setup and configuration

src/__Libraries/StellaOps.Spdx3/Model/Spdx3Document.cs

@@ -91,6 +91,11 @@ public sealed class Spdx3Document
     /// </summary>
     public ImmutableHashSet<Spdx3ProfileIdentifier> Profiles { get; }
 
+    /// <summary>
+    /// Gets all creation info objects in the document.
+    /// </summary>
+    public IReadOnlyCollection<Spdx3CreationInfo> CreationInfos => _creationInfoById.Values;
+
     /// <summary>
     /// Gets an element by its SPDX ID.
     /// </summary>