2.4 Drop sample configs in repo root

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frames.json

@@ -0,0 +1,19 @@
+{
+  "Frames": [
+    {
+      "name": "living-room",
+      "mac": "AA:BB:CC:DD:EE:FF",
+      "resolution": { "width": 1600, "height": 1200 },
+      "orientation": "landscape",
+      "dithering": "floyd-steinberg",
+      "palette": [
+        { "name": "black",  "color": "#1F2226", "deviceColor": "#000000" },
+        { "name": "white",  "color": "#B9C7C9", "deviceColor": "#FFFFFF" },
+        { "name": "blue",   "color": "#233F8E", "deviceColor": "#0000FF" },
+        { "name": "green",  "color": "#35563A", "deviceColor": "#00FF00" },
+        { "name": "red",    "color": "#62201E", "deviceColor": "#FF0000" },
+        { "name": "yellow", "color": "#C1BB1E", "deviceColor": "#FFFF00" }
+      ]
+    }
+  ]
+}