fix: add missing manifest file

Author: AlexJSully

index.html

@@ -28,6 +28,7 @@
 		/>
 		<meta name="robots" content="index, follow" />
 		<meta name="language" content="English" />
+		<link rel="manifest" href="https://bar.utoronto.ca/icon/manifest.json" />
 		<!-- Favicon -->
 		<link rel="icon" type="image/png" sizes="32x32" href="https://bar.utoronto.ca/icon/favicon-32x32.png" />
 		<link rel="icon" type="image/png" sizes="16x16" href="https://bar.utoronto.ca/icon/favicon-16x16.png" />