Refactor folder structure

src/ThridParty/Ghost.MeshOptimizer/meshopt_Stream.cs

@@ -0,0 +1,16 @@
+using Ghost.Zeux.MeshOptimizer;
+
+namespace Ghost.MeshOptimizer
+{
+    public unsafe partial struct meshopt_Stream
+    {
+        [NativeTypeName("const void *")]
+        public void* data;
+
+        [NativeTypeName("size_t")]
+        public nuint size;
+
+        [NativeTypeName("size_t")]
+        public nuint stride;
+    }
+}