feat: add UPS, network security, monitoring and log stack brand icons

UPS: Schneider Electric / APC (siSchneiderelectric)
Network security: Fortinet / FortiGate (siFortinet)
Monitoring: Prometheus, Grafana, Datadog, Netdata, Checkmk, Icinga,
            InfluxDB, VictoriaMetrics
Alerting: Opsgenie, PagerDuty
Logs/Traces: Elastic/ELK, Kibana, Logstash, Splunk, Graylog, Jaeger,
             OpenTelemetry

Color overrides for near-black icons: Icinga → #3F5FBA, Opsgenie → #2684FF,
Splunk → #65A637, OpenTelemetry → #425CC7.

Not available in simple-icons: Zabbix, Centreon, Nagios, PRTG, Eaton,
Riello, Vertiv (noted in CLAUDE.md).

READMEs (fr/en/es) updated with all new entries.

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

frontend/src/brandIcons.js

@@ -1,13 +1,18 @@
 import {
   siProxmox, siDocker,
   siSynology, siTruenas,
+  siSchneiderelectric,
   siUbiquiti, siMikrotik, siCisco, siTplink, siAsus, siNetgear, siPfsense, siOpnsense, siOpenwrt,
+  siFortinet,
   siApache, siTraefikproxy, siApacheguacamole,
   siAuthelia, siKeycloak, siAuthentik, siOkta, siAuth0,
   siOrange, siOvh,
   siBitwarden, siVaultwarden, si1password, siKeepassxc, siVault,
   siMariadb,
   siKubernetes,
+  siPrometheus, siGrafana, siDatadog, siNetdata, siCheckmk, siIcinga, siInfluxdb, siVictoriametrics,
+  siOpsgenie, siPagerduty,
+  siElastic, siKibana, siLogstash, siSplunk, siGraylog, siJaeger, siOpentelemetry,
   siApple,
   siDebian, siUbuntu,
   siAnsible,
@@ -71,6 +76,9 @@ const BRANDS = [
   { kw: ['synology', 'dsm'],                              icon: siSynology },
   { kw: ['truenas', 'freenas'],                           icon: siTruenas },
 
+  // Onduleurs (UPS) — Eaton, Riello, Vertiv absents de simple-icons
+  { kw: ['apc', 'schneider electric', 'symmetra', 'smart-ups', 'easy ups', 'galaxy ups'], icon: siSchneiderelectric },
+
   // Réseau
   { kw: ['ubiquiti', 'unifi', 'usg', 'udm'],             icon: siUbiquiti },
   { kw: ['mikrotik', 'routeros'],                         icon: siMikrotik },
@@ -82,6 +90,9 @@ const BRANDS = [
   { kw: ['opnsense'],                                     icon: siOpnsense },
   { kw: ['openwrt'],                                      icon: siOpenwrt },
 
+  // Sécurité réseau
+  { kw: ['fortinet', 'fortigate', 'fortios', 'fortimanager', 'fortiauthenticator'], icon: siFortinet },
+
   // FAI français
   { kw: ['orange', 'sosh', 'livebox'],                    icon: siOrange },
   { kw: ['ovh', 'ovhcloud', 'kimsufi', 'soyoustart'],    icon: siOvh },
@@ -123,6 +134,29 @@ const BRANDS = [
   // Orchestration
   { kw: ['kubernetes', 'k8s', 'kubectl', 'k3s'],          icon: siKubernetes },
 
+  // Monitoring / Observabilité — Zabbix, Centreon, Nagios, PRTG absents de simple-icons
+  { kw: ['prometheus'],                                    icon: siPrometheus },
+  { kw: ['grafana'],                                       icon: siGrafana },
+  { kw: ['datadog'],                                       icon: siDatadog },
+  { kw: ['netdata'],                                       icon: siNetdata },
+  { kw: ['checkmk', 'check_mk'],                          icon: siCheckmk },
+  { kw: ['icinga', 'icinga2'],                             icon: { ...siIcinga, hex: '3F5FBA' } },
+  { kw: ['influxdb', 'influx db'],                        icon: siInfluxdb },
+  { kw: ['victoriametrics', 'victoria metrics'],          icon: siVictoriametrics },
+
+  // Alerting
+  { kw: ['opsgenie'],                                      icon: { ...siOpsgenie, hex: '2684FF' } },
+  { kw: ['pagerduty', 'pager duty'],                      icon: siPagerduty },
+
+  // Logs / Traces
+  { kw: ['elasticsearch', 'elastic stack', 'elk'],        icon: siElastic },
+  { kw: ['kibana'],                                        icon: siKibana },
+  { kw: ['logstash'],                                      icon: siLogstash },
+  { kw: ['splunk'],                                        icon: { ...siSplunk, hex: '65A637' } },
+  { kw: ['graylog'],                                       icon: siGraylog },
+  { kw: ['jaeger'],                                        icon: siJaeger },
+  { kw: ['opentelemetry', 'otel'],                        icon: { ...siOpentelemetry, hex: '425CC7' } },
+
   // Écosystème Apple
   { kw: ['apple', 'iphone', 'ipad', 'ipados', 'macbook', 'imac', 'mac mini', 'mac pro', 'mac studio', 'macos', 'mac os', 'ios', 'icloud', 'airpods', 'airdrop'], icon: { ...siApple, hex: '555555' } },