Port to Next.js with static export for Cloudflare Pages

- Create Next.js app with TypeScript, Tailwind, and Postcss
- Extract API logic, types, and utilities to lib/
- Build React components for Race Results, Driver Standings, Points Key, and D3 Chart
- Use environment variables for API credentials (NEXT_PUBLIC_*)
- Static export (output: 'export') for Cloudflare Pages deployment
- D3 chart rendered client-side with dynamic import
- Update deploy workflow to build and deploy ./out directory
- Remove original public/index.html

package.json

@@ -0,0 +1,27 @@
+{
+  "name": "grid-gladiators-results",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "next": "^15",
+    "react": "^19",
+    "react-dom": "^19",
+    "d3": "^7"
+  },
+  "devDependencies": {
+    "@types/d3": "^7",
+    "@types/node": "^20",
+    "@types/react": "^18",
+    "@types/react-dom": "^18",
+    "autoprefixer": "^10",
+    "postcss": "^8",
+    "tailwindcss": "^3",
+    "typescript": "^5"
+  }
+}