Add VRChat and GitHub packages to Unity project

Assets/Udon/Serialization/Formatters/UdonProgramFormatter.cs

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+using VRC.Udon.Common;
+using VRC.Udon.Common.Interfaces;
+using VRC.Udon.Serialization.OdinSerializer;
+using VRC.Udon.Serialization.Formatters;
+
+[assembly: RegisterFormatter(typeof(UdonProgramFormatter))]
+
+namespace VRC.Udon.Serialization.Formatters
+{
+    public sealed class UdonProgramFormatter : BaseFormatter<UdonProgram>
+    {
+        private static readonly Serializer<byte[]> _byteArrayReaderWriter = Serializer.Get<byte[]>();
+        private static readonly Serializer<IUdonHeap> _udonHeapReaderWriter = Serializer.Get<IUdonHeap>();
+        private static readonly Serializer<IUdonSymbolTable> _udonSymbolTableReaderWriter = Serializer.Get<IUdonSymbolTable>();
+        private static readonly Serializer<IUdonSyncMetadataTable> _udonSyncMetadataTableReaderWriter = Serializer.Get<IUdonSyncMetadataTable>();
+
+        protected override UdonProgram GetUninitializedObject()
+        {
+            return null;
+        }
+
+        // ReSharper disable once RedundantAssignment
+        protected override void DeserializeImplementation(ref UdonProgram value, IDataReader reader)
+        {
+            reader.ReadString(out string instructionSetIdentifier);
+            reader.ReadInt32(out int instructionSetVersion);
+            byte[] byteCode = _byteArrayReaderWriter.ReadValue(reader);
+            IUdonHeap heap = _udonHeapReaderWriter.ReadValue(reader);
+            IUdonSymbolTable entryPoints = _udonSymbolTableReaderWriter.ReadValue(reader);
+            IUdonSymbolTable symbolTable = _udonSymbolTableReaderWriter.ReadValue(reader);
+            IUdonSyncMetadataTable syncMetadataTable = _udonSyncMetadataTableReaderWriter.ReadValue(reader);
+
+            value = new UdonProgram(instructionSetIdentifier, instructionSetVersion, byteCode, heap, entryPoints, symbolTable, syncMetadataTable);
+
+            RegisterReferenceID(value, reader);
+            InvokeOnDeserializingCallbacks(ref value, reader.Context);
+        }
+
+        protected override void SerializeImplementation(ref UdonProgram value, IDataWriter writer)
+        {
+            writer.WriteString("InstructionSetIdentifier", value.InstructionSetIdentifier);
+            writer.WriteInt32("InstructionSetVersion", value.InstructionSetVersion);
+            _byteArrayReaderWriter.WriteValue("ByteCode", value.ByteCode, writer);
+            _udonHeapReaderWriter.WriteValue("Heap", value.Heap, writer);
+            _udonSymbolTableReaderWriter.WriteValue("EntryPoints", value.EntryPoints, writer);
+            _udonSymbolTableReaderWriter.WriteValue("SymbolTable", value.SymbolTable, writer);
+            _udonSyncMetadataTableReaderWriter.WriteValue("SyncMetadataTable", value.SyncMetadataTable, writer);
+        }
+    }
+}