add new struct definitions

Il2CppInspector.Common/Next/BinaryMetadata/Il2CppRgctxDefinition.cs

@@ -0,0 +1,16 @@
+using VersionedSerialization.Attributes;
+
+namespace Il2CppInspector.Next.BinaryMetadata;
+
+[VersionedStruct]
+public partial struct Il2CppRgctxDefinition
+{
+    [Aligned(0)]
+    public Il2CppRgctxDataType Type;
+
+    [CustomSerialization("reader.ReadNUInt();", "is32Bit ? 4 : 8")]
+    public ulong Data; // void*
+
+    public readonly Pointer<Il2CppRgctxDefinitionData> Definition => Data;
+    public readonly Pointer<Il2CppRgctxConstrainedData> Constrained => Data;
+}