Added Unity project files

Packages/com.vrchat.worlds/Editor/Udon/ProgramSources/Attributes/UdonProgramSourceNewMenuAttribute.cs

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+using System;
+
+namespace VRC.Udon.Editor.ProgramSources.Attributes
+{
+    [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+    public class UdonProgramSourceNewMenuAttribute : Attribute
+    {
+        public Type Type { get; }
+        public string DisplayName { get; }
+
+        public UdonProgramSourceNewMenuAttribute(Type type, string displayName)
+        {
+            Type = type;
+            DisplayName = displayName;
+        }
+    }
+}
+

Packages/com.vrchat.worlds/Editor/Udon/ProgramSources/Attributes/UdonProgramSourceNewMenuAttribute.cs.meta

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