Update WM challenge info (#30)

src/pages/hackathon-2023.astro

@@ -124,6 +124,16 @@ import AnimatedSummitLogo from '../components/lander/AnimatedSummitLogo.astro';
 
 				<h3 id="webm-extension">Extension</h3>
 				<p>The <a href="https://github.com/interledger/web-monetization-extension">Web Monetization extension</a> is a browser extension that detects Web Monetization on websites using a browser API that allows the creation of a payment stream from the user agent to the website. This extension is built with React, TypeScript, and Vite.</p>
+                <p><a href="https://github.com/interledger/web-monetization-extension/releases/download/v0.2.3/chrome.zip">Download extension (Chrome)</a></p>
+                <h4>Installing the extension</h4>
+                <ol>
+                    <li>Extract the contents of the ZIP file to a folder on your computer</li>
+                    <li>Open Chrome, click the three dots in the top-right corner, go to "Extensions" and select "Manage extensions"</li>
+                    <li>Enable "Developer mode" using the toggle switch at the top-right of the Extensions page</li>
+                    <li>Click the "Load unpacked" button that appears after enabling Developer mode</li>
+                    <li>Choose the folder containing the extracted extension files (with the manifest.json file)</li>
+                    <li>Click on the puzzle piece icon in the top-right corner of Chrome, and pin the Web Monetization extension</li>
+                </ol>
 			</Section>
 
 			<Section>