chore: use montserrat as app font

index.html

@@ -5,6 +5,9 @@
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <link rel="icon" type="image/png" href="/favicon.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, viewport-fit=cover" />
+    <link rel="preconnect" href="https://fonts.googleapis.com" />
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+    <link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
     <title>CloudCLI UI</title>
     
     <!-- PWA Manifest -->

src/index.css

@@ -128,7 +128,7 @@
   
   body {
     @apply bg-background text-foreground;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
     margin: 0;
     padding: 0;
   }