add QR code to final slide

Author: tomkralidis

docs/presentations/foss4g2024/index.html

@@ -472,7 +472,7 @@ <h2>What about an admin UI to manage the configuration?</h2>
 				</section>
 				<section>
 					<h2>Live poll: Who would like to see a pygeoapi UI for configuration?</h2>
-					<img alt="pygoeapi UI poll" src="../default/static/2024-12-04-ui-poll.svg" width="400"/>
+					<img alt="pygeoapi UI poll" src="../default/static/2024-12-04-ui-poll.svg" width="400"/>
 				</section>
 			</section>
 			<section id="support">
@@ -532,6 +532,7 @@ <h1>Thank you!</h1>
 					<a href="https://github.com/doublebyte1">@doublebyte1</a>
 				</p>
 				<h2><a href="https://wall.sli.do/event/uFb8MUsMENM8Kdz32vFwVv?section=cc3acfdf-7a97-46ae-b288-3fd783a373f3ol">Live poll UI results</a></h2>
+				<img alt="pygeoapi UI poll" src="../default/static/2024-12-04-ui-poll.svg" width="300"/>
 			</section>
 		</div>
 	</div>