feat: add smart_tv, printer and smartphone device types

Add three new device types (21 total) with Lucide icons (Tv2, Printer,
Smartphone), colour-coded badges, and translations in fr/en/es.
No backend migration needed — type is a free string field.

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

frontend/src/i18n.js

@@ -91,6 +91,9 @@ const LANGS = {
     typeAccessPoint: 'Borne WiFi / Access Point',
     typeDesktop: 'Ordinateur fixe',
     typeLaptop: 'Ordinateur portable',
+    typeSmartTv: 'TV connectée',
+    typePrinter: 'Imprimante',
+    typeSmartphone: 'Smartphone',
     typeOther: 'Autre',
     virtBaremetal: 'Bare-metal',
     virtLxc: 'LXC',
@@ -246,6 +249,9 @@ const LANGS = {
     typeAccessPoint: 'WiFi Access Point',
     typeDesktop: 'Desktop computer',
     typeLaptop: 'Laptop',
+    typeSmartTv: 'Smart TV',
+    typePrinter: 'Printer',
+    typeSmartphone: 'Smartphone',
     typeOther: 'Other',
     virtBaremetal: 'Bare-metal',
     virtLxc: 'LXC',
@@ -398,6 +404,9 @@ const LANGS = {
     typeAccessPoint: 'Punto de acceso WiFi',
     typeDesktop: 'Ordenador de sobremesa',
     typeLaptop: 'Portátil',
+    typeSmartTv: 'Smart TV',
+    typePrinter: 'Impresora',
+    typeSmartphone: 'Smartphone',
     typeOther: 'Otro',
     virtBaremetal: 'Bare-metal',
     virtLxc: 'LXC',