feat: add Puppeteer integration for web downloads

This introduces a new Puppeteer-based mechanism for downloading
web content. It provides a flexible way to manipulate pages
during downloads, enhancing the ability to handle dynamic
content and improve the overall download process.

Beam.Puppeteer/PuppetContext.cs

@@ -0,0 +1,16 @@
+using Microsoft.Playwright;
+
+namespace Beam.Puppeteer {
+    public delegate Task AsyncManipulator(IPage page);
+
+    public static class PuppetContext {
+        public static Lazy<IPlaywright> Playwright { get; set; }
+        public static Lazy<IBrowser> Browser { get; set; }
+
+        static PuppetContext() {
+            Playwright = new Lazy<IPlaywright>(() => Microsoft.Playwright.Playwright.CreateAsync().Result);
+            Browser = new Lazy<IBrowser>(() => Playwright.Value.Chromium.LaunchAsync().Result);
+        }
+    }
+
+}