fix: send credentials with the web app manifest request (#1766)

index.html

@@ -17,7 +17,7 @@
     />
     <meta name="apple-mobile-web-app-title" content="Termix" />
     <link rel="apple-touch-icon" href="icons/512x512.png" />
-    <link rel="manifest" href="manifest.json" />
+    <link rel="manifest" href="manifest.json" crossorigin="use-credentials" />
     <title>Termix</title>
     <style>
       .toolbar-scrollbar {