Replaced VBO with Buffer and SubArray. Program now recieves Buffer, rather than VBO receiving Program. Added VertexDataAttribute for vertex structs.

Split json files to test this functionality.

hexworld/Tile.cs

@@ -0,0 +1,24 @@
+using Diamond.Buffers;
+using Newtonsoft.Json;
+using OpenTK;
+
+namespace hexworld
+{
+    [VertexData]
+    public struct Tile
+    {
+        [JsonProperty("pos")]
+        [VertexPointer("glbpos", 3, Divisor = 1)]
+        public Vector3 Position;
+
+        public Tile(Vector3 position)
+        {
+            Position = position;
+        }
+
+        public override string ToString()
+        {
+            return $"{nameof(Position)}: {Position}";
+        }
+    }
+}