config: add all 53 network devices from nmap scan

Add complete network topology with all discovered hosts organized
by category: infrastructure, services, multimedia, projects, PCs.
Also add firewall, printer, phone, camera icons to NodeCard.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/components/Topology/NodeCard.tsx

@@ -3,11 +3,15 @@ import type { NetworkNode } from "../../types";
 
 const ICON_MAP: Record<string, string> = {
   router: "\uD83C\uDF10",
+  firewall: "\uD83D\uDEE1\uFE0F",
   server: "\uD83D\uDDA5\uFE0F",
   switch: "\uD83D\uDD00",
   ap: "\uD83D\uDCE1",
   pc: "\uD83D\uDCBB",
   nas: "\uD83D\uDCBE",
+  printer: "\uD83D\uDDA8\uFE0F",
+  phone: "\uD83D\uDCDE",
+  camera: "\uD83D\uDCF7",
   device: "\uD83D\uDCF1",
 };