feat(openvpn): suggest available OIDC ports and add deployment assets

frontend/public/favicon.svg

@@ -0,0 +1,14 @@
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+  <defs>
+    <linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
+      <stop stop-color="#153a75"/>
+      <stop offset="1" stop-color="#087ca5"/>
+    </linearGradient>
+  </defs>
+  <rect width="64" height="64" rx="15" fill="url(#bg)"/>
+  <path d="M32 8 51 16v13c0 13-7.5 22-19 28C20.5 51 13 42 13 29V16Z" fill="#fff"/>
+  <path d="M32 13 46 19v10c0 10-5 17-14 22-9-5-14-12-14-22V19Z" fill="#0b568c"/>
+  <path d="M22 25h7l4 13 5-13h5" fill="none" stroke="#66e2df" stroke-linecap="round" stroke-linejoin="round" stroke-width="4"/>
+  <circle cx="22" cy="25" r="2.5" fill="#fff"/>
+  <circle cx="43" cy="25" r="2.5" fill="#fff"/>
+</svg>