Initial implementation of NetWatch network latency monitor

SPA for real-time latency monitoring to 10 internet hosts:
- 250ms update interval with 300s history sparkline graphs
- Color-coded latency display (green <50ms to red >500ms)
- HEAD request timing with no-cors mode for cross-origin support
- Built with Vite + Tailwind CSS v4, all dependencies bundled
- Designed for static bucket deployment

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "netwatch",
+  "version": "1.0.0",
+  "description": "Real-time network latency monitor SPA",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "@tailwindcss/vite": "^4.1.18",
+    "autoprefixer": "^10.4.23",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.18",
+    "vite": "^7.3.1"
+  }
+}