Add example video mappings template

video_mappings.json.example

@@ -0,0 +1,12 @@
+{
+  "_comment": "Map LEGO Dimensions tag UIDs to video file paths",
+  "_instructions": [
+    "1. Run lego_dimensions_reader.py to discover tag UIDs",
+    "2. Add the UID and video path below",
+    "3. Use this file with moonlight_integration.py"
+  ],
+  
+  "04EXAMPLE001": "videos/batman.mp4",
+  "04EXAMPLE002": "videos/gandalf.mp4",
+  "04EXAMPLE003": "videos/wyldstyle.mp4"
+}