Add enhanced house presentation, client film and walkable Unreal prototype

walkthroughs/video/video-verification.json

@@ -0,0 +1,11 @@
+{
+  "status": "PASS",
+  "output": "Samford-Valley-Concept-Film-v007.mp4",
+  "width": 1920,
+  "height": 1080,
+  "fps": "24/1",
+  "duration_seconds": "30.000000",
+  "codec": "h264",
+  "size_bytes": 22886670,
+  "source": "Animated Cycles renders, 1440x810 at 6 source frames/s, per-shot optical-flow interpolation to 24 fps and upscale to 1080p. No audio."
+}