Broaden plugin list metadata

plugin-root/usr/local/emhttp/plugins/u-navigator/U-Navigator.page

@@ -1,6 +1,6 @@
 Menu="Tools"
 Title="U-Navigator"
-Icon="u-navigator/images/u-navigator.svg"
+Icon="u-navigator/u-navigator.svg"
 ---
 <?PHP
 $plugin = "u-navigator";

plugin-root/usr/local/emhttp/plugins/u-navigator/u-navigator.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-label="U-Navigator">
+  <defs>
+    <linearGradient id="folder" x1="12" y1="14" x2="52" y2="54" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#ff9b4f"/>
+      <stop offset="1" stop-color="#e86f2d"/>
+    </linearGradient>
+    <linearGradient id="page" x1="29" y1="20" x2="47" y2="46" gradientUnits="userSpaceOnUse">
+      <stop stop-color="#ffffff"/>
+      <stop offset="1" stop-color="#e9eef3"/>
+    </linearGradient>
+  </defs>
+  <rect width="64" height="64" rx="14" fill="#171b20"/>
+  <path d="M10 22.5c0-3 2.4-5.5 5.5-5.5h9.2c1.7 0 3.2.8 4.1 2.1l2 2.9h17.7c3 0 5.5 2.4 5.5 5.5v20c0 3-2.4 5.5-5.5 5.5h-33c-3 0-5.5-2.4-5.5-5.5v-25z" fill="url(#folder)"/>
+  <path d="M11 27h42v20.5c0 2.5-2 4.5-4.5 4.5h-33c-2.5 0-4.5-2-4.5-4.5V27z" fill="#f0782f"/>
+  <path d="M29 18.5h13l8 8V45c0 2-1.6 3.5-3.5 3.5h-17c-2 0-3.5-1.6-3.5-3.5V22c0-2 1.6-3.5 3.5-3.5z" fill="url(#page)" stroke="#c9d3dc"/>
+  <path d="M42 18.5v6c0 1.1.9 2 2 2h6" fill="#dce5ee"/>
+  <path d="M31 31h13M31 36h14M31 41h10" stroke="#6b7785" stroke-width="2" stroke-linecap="round"/>
+  <path d="M16 23h12" stroke="#ffc08a" stroke-width="2" stroke-linecap="round" opacity=".8"/>
+</svg>