feat: initialize project with Vite + React + TypeScript + Tailwind CSS

- Set up Vite 7 + React 19 + TypeScript 5 + Tailwind CSS 4
- Configure path aliases (@/ -> src/)
- Create Layout with Header and Footer components
- Create HomePage with hero section and feature highlights
- Set up cursor rules for agent-driven development
- Create PLAN.md and LESSONS.md for progress tracking

Co-authored-by: Cursor <cursoragent@cursor.com>

vite.config.ts

@@ -0,0 +1,13 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import tailwindcss from "@tailwindcss/vite";
+import { fileURLToPath, URL } from "node:url";
+
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+  resolve: {
+    alias: {
+      "@": fileURLToPath(new URL("./src", import.meta.url)),
+    },
+  },
+});