添加demo

bt-demo/settings/v2/packages/project.json

@@ -0,0 +1,29 @@
+{
+  "__version__": "1.0.6",
+  "general": {
+    "designResolution": {
+      "height": 1334,
+      "width": 750,
+      "fitHeight": true
+    },
+    "highQuality": false
+  },
+  "custom_joint_texture_layouts": [],
+  "script": {
+    "preserveSymlinks": true
+  },
+  "layer": [
+    {
+      "name": "Window",
+      "value": 1
+    },
+    {
+      "name": "Game",
+      "value": 2
+    },
+    {
+      "name": "Graphics",
+      "value": 4
+    }
+  ]
+}