fix: provide unique intro for the Amazon chapter

Fix #956

Author: honzajavorek

sources/academy/webscraping/web_scraping_for_beginners/challenge/scraping_amazon.md

@@ -7,7 +7,7 @@ slug: /web-scraping-for-beginners/challenge/scraping-amazon
 
 # Scraping Amazon
 
-**Before you build your first web scraper with Crawlee, it is important to understand the concept of modularity in programming.**
+**Build your first web scraper with Crawlee. Let's extract product information from Amazon to give you an idea of what real-world scraping looks like.**
 
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