feat(search): implement paginated API fetching for large page sizes

- Removed upper limit on page_size validation to support requests >100
- Added automatic pagination logic to fetch from Open Food Facts API in chunks of 1000
- Accumulates products across multiple API pages until desired count is reached
- Updated error messages and product data fields for consistency

app/layout.tsx

@@ -2,7 +2,6 @@ import "./globals.css";
 import { Metadata } from "next";
 import { Inter } from "next/font/google";
 import { ThemeProvider } from "@/app/providers";
-import { FloatingDonateButton } from "@/app/components/FloatingDonateButton";
 
 // Use Inter como fallback já que é uma fonte similar à Geist
 const inter = Inter({ subsets: ["latin"] });
@@ -65,7 +64,6 @@ export default function RootLayout({
     <html lang="pt-BR" suppressHydrationWarning className={inter.className}>
       <body className="min-h-screen bg-background antialiased">
         <ThemeProvider>{children}</ThemeProvider>
-        <FloatingDonateButton />
       </body>
     </html>
   );