Added Unity project files

Packages/com.vrchat.worlds/Runtime/Udon/EventProxies/OnCollisionStayProxy.cs

@@ -0,0 +1,14 @@
+
+using UnityEngine;
+
+namespace VRC.Udon
+{
+    [AddComponentMenu("")]
+    internal class OnCollisionStayProxy : AbstractUdonBehaviourEventProxy
+    {
+        private void OnCollisionStay(Collision other)
+        {
+            EventReceiver.ProxyOnCollisionStay(other);
+        }
+    }
+}