chore: add TokenLens sources and ignore rules

package.json

@@ -0,0 +1,60 @@
+{
+  "name": "tokenlens",
+  "version": "0.1.0",
+  "description": "Local Claude, Codex, and Gemini token usage dashboard for macOS.",
+  "main": "src/main/main.cjs",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "test": "node --test tests/*.test.cjs tests/*.test.mjs",
+    "dev": "vite --host 127.0.0.1",
+    "electron:dev": "TOKENLENS_DEV_SERVER=http://127.0.0.1:5173 electron .",
+    "build": "vite build",
+    "dist": "npm run test && npm run build && electron-builder --mac dmg"
+  },
+  "dependencies": {
+    "@vitejs/plugin-react": "^5.1.1",
+    "vite": "^7.2.7",
+    "typescript": "^5.9.3",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3",
+    "lucide-react": "^0.561.0"
+  },
+  "devDependencies": {
+    "electron": "^39.2.7",
+    "electron-builder": "^26.0.12"
+  },
+  "build": {
+    "appId": "com.caoxiaozhu.tokenlens",
+    "productName": "TokenLens",
+    "directories": {
+      "output": "release"
+    },
+    "files": [
+      "dist/**",
+      "src/main/**",
+      "src/lib/**",
+      "package.json"
+    ],
+    "mac": {
+      "category": "public.app-category.developer-tools",
+      "target": [
+        "dmg"
+      ]
+    },
+    "dmg": {
+      "contents": [
+        {
+          "x": 130,
+          "y": 220
+        },
+        {
+          "x": 410,
+          "y": 220,
+          "type": "link",
+          "path": "/Applications"
+        }
+      ]
+    }
+  }
+}