Add assets for a new 'Scheduling web scrapers' article

examples/blog-articles/scheduling_scrapers/scripts/async_scheduler.py

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+import asyncio
+import time
+from firecrawl_scraper import save_firecrawl_news_data
+
+
+async def schedule_scraper(interval_hours: float = 1):
+    """
+    Schedule the scraper to run at specified intervals
+
+    Args:
+        interval_hours (float): Hours between each scrape (can be decimal for shorter periods)
+    """
+    while True:
+        try:
+            print(f"Starting scrape at {time.strftime('%Y-%m-%d %H:%M:%S')}")
+            # Run the scraper
+            filename = save_firecrawl_news_data()
+            print(f"Data saved to {filename}")
+
+        except Exception as e:
+            print(f"Error during scraping: {e}")
+
+        # Wait for the specified interval
+        await asyncio.sleep(interval_hours * 20)  # Convert hours to seconds
+
+
+async def main():
+    # Create tasks for different scheduling intervals
+    tasks = [
+        schedule_scraper(interval_hours=1),  # Run every hour
+        # Add more tasks with different intervals if needed
+        # schedule_scraper(interval_hours=0.5),  # Run every 30 minutes
+        # schedule_scraper(interval_hours=2),    # Run every 2 hours
+    ]
+
+    # Run all tasks concurrently
+    await asyncio.gather(*tasks)
+
+
+if __name__ == "__main__":
+    # Run the async scheduler
+    asyncio.run(main())