Add browser favicon

TrafagSalesExporter/Components/App.razor

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Trafag Finanze/Sales Management Cockpit</title>
     <base href="@BaseHref" />
+    <link rel="icon" type="image/svg+xml" href="favicon.svg" />
     <link href="css/app.css" rel="stylesheet" />
     <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700,800&display=swap" rel="stylesheet" />
     <link href="_content/MudBlazor/MudBlazor.min.css" rel="stylesheet" />

TrafagSalesExporter/wwwroot/favicon.svg

@@ -0,0 +1,21 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <defs>
+    <linearGradient id="bg" x1="10" y1="8" x2="54" y2="58" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#12324a"/>
+      <stop offset="1" stop-color="#0f5f5a"/>
+    </linearGradient>
+    <linearGradient id="line" x1="15" y1="45" x2="51" y2="19" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#7dd3fc"/>
+      <stop offset="1" stop-color="#8ee36d"/>
+    </linearGradient>
+  </defs>
+  <rect width="64" height="64" rx="13" fill="url(#bg)"/>
+  <path d="M14 45h36" stroke="#ffffff" stroke-width="4" stroke-linecap="round" opacity=".28"/>
+  <path d="M16 43l9-10 8 5 14-18" fill="none" stroke="url(#line)" stroke-width="6" stroke-linecap="round" stroke-linejoin="round"/>
+  <circle cx="16" cy="43" r="3.5" fill="#7dd3fc"/>
+  <circle cx="25" cy="33" r="3.5" fill="#88d7d2"/>
+  <circle cx="33" cy="38" r="3.5" fill="#89df9b"/>
+  <circle cx="47" cy="20" r="3.5" fill="#8ee36d"/>
+  <path d="M17 17h30" stroke="#ffffff" stroke-width="5" stroke-linecap="round"/>
+  <path d="M32 18v23" stroke="#ffffff" stroke-width="5" stroke-linecap="round"/>
+</svg>