feat(engine): basic attribute implementation

src/Engine/Types.h

@@ -0,0 +1,25 @@
+#pragma once
+
+namespace enzo
+{
+
+    namespace ga
+    {
+        enum class AttributeOwner
+        {
+            POINT,
+            VERTEX,
+            PRIMITIVE,
+            GLOBAL
+        };
+        enum class AttributeType
+        {
+            intT,
+            floatT,
+            listT,
+            vectorT,
+        };
+        using AttrType = AttributeType;
+        using AttrOwner = AttributeOwner;
+    }
+}