settings: use a plug icon for the IRCv3 section (capabilities/plugins) instead of a satellite

public/sw.js

@@ -1,7 +1,7 @@
 // Tchatou service worker — installable PWA + offline app shell.
 // Scope: /app/. Only handles same-origin /app/ GETs; the IRC websocket and all
 // API calls (cloudflare, change_password, upload) pass straight through.
-const CACHE = 'tchatou-v31';
+const CACHE = 'tchatou-v32';
 const SHELL = ['/app/', '/app/index.html', '/app/favicon.svg', '/app/manifest.webmanifest'];
 
 self.addEventListener('install', (e) => {

src/components/settings/SettingsModal.tsx

@@ -16,7 +16,7 @@ const SETTINGS_SECTIONS = [
   { id: 'notifs',    icon: '🔔' },
   { id: 'compte',    icon: '🔑' },
   { id: 'server',    icon: '🖥️' },
-  { id: 'ircv3',     icon: '🛰️' },
+  { id: 'ircv3',     icon: '🔌' },
   { id: 'about',     icon: 'ℹ️' },
 ] as const;
 type SettingsSection = (typeof SETTINGS_SECTIONS)[number]['id'];