Add LICENSE, README, logo; update install script, nav, favicon, App

src/DnsmasqWebUI/Components/App.razor

@@ -11,7 +11,8 @@
     <link rel="stylesheet" href="@Assets["app.css"]" />
     <link rel="stylesheet" href="@Assets["DnsmasqWebUI.styles.css"]" />
     <ImportMap />
-    <link rel="icon" type="image/png" href="favicon.png" />
+    <link rel="icon" type="image/png" href="favicon.png" sizes="32x32" />
+    <link rel="apple-touch-icon" href="logo.png" />
     <title>@_appTitle</title>
     <HeadOutlet />
 </head>

src/DnsmasqWebUI/Components/Layout/NavMenu.razor

@@ -4,7 +4,7 @@
 <div class="top-row ps-3 navbar navbar-dark">
     <div class="container-fluid d-flex align-items-center">
         <a class="navbar-brand d-flex align-items-center gap-2" href="" aria-label="@AppTitle home">
-            <i class="bi bi-globe brand-icon" aria-hidden="true"></i>
+            <img src="logo.png" alt="" class="brand-logo" />
             <span>@AppTitle</span>
         </a>
     </div>

src/DnsmasqWebUI/Components/Layout/NavMenu.razor.css

@@ -31,12 +31,12 @@
     color: white !important;
 }
 
-.brand-icon {
-    display: inline-flex;
+.brand-logo {
+    display: block;
     flex-shrink: 0;
-    color: rgba(255, 255, 255, 0.95);
-    font-size: 1.5rem;
-    vertical-align: -0.125em;
+    height: 1.75rem;
+    width: auto;
+    vertical-align: middle;
 }
 
 /* Bootstrap Icons in nav: white, sized to match link text */