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/page.tsx

@@ -3,6 +3,8 @@ import { Footer } from "./components/Footer";
 import { Hero } from "./components/landing/Hero";
 import { Features } from "./components/landing/Features";
 import { HowItWorks } from "./components/landing/HowItWorks";
+import { DonationSection } from "./components/landing/DonationSection";
+import { TrustBadges } from "./components/landing/TrustBadges";
 
 export default function Home() {
   return (
@@ -10,12 +12,14 @@ export default function Home() {
       <Header />
       <main>
         <Hero />
+        <TrustBadges />
         <section id="recursos">
           <Features />
         </section>
         <section id="como-funciona">
           <HowItWorks />
         </section>
+        <DonationSection />
       </main>
       <Footer />
     </div>