add new struct definitions

Il2CppInspector.Common/Next/BinaryMetadata/Il2CppRgctxConstrainedData.cs

@@ -0,0 +1,13 @@
+using Il2CppInspector.Next.Metadata;
+using VersionedSerialization.Attributes;
+
+namespace Il2CppInspector.Next.BinaryMetadata;
+
+using TypeIndex = int;
+
+[VersionedStruct]
+public partial struct Il2CppRgctxConstrainedData
+{
+    public TypeIndex TypeIndex;
+    public Il2CppMetadataUsage EncodedMethodIndex;
+}