feat: initial pod cube graph example

PodCube/PodCube.zip

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:45630fbd9614d4ecfd5455a4ab23c980de36295e9f4297d0ebe17d3d96e6f514
+size 499

PodCube/metadata.yaml

@@ -0,0 +1,16 @@
+Name: "Pod Cube"
+Type: Asset
+Version: "1.0"
+Category: "Pod Graphs"
+Description: >
+  A minimal pod graph to get started: a parametric cube wired straight into
+  LuckyEngine's renderable mesh output. Open it in the Pod Mesh editor, tweak the
+  cube's size, or splice extra nodes in to begin authoring procedural meshes.
+Tags:
+  - pod
+  - podgraph
+  - mesh
+  - example
+  - cube
+Files:
+  - 'Cube.hpodgraph'