feat: add RocketIcon to Header component and update metadata with application icon

public/icon.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#0891b2" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <path d="M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z" />
+  <path d="m12 15-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z" />
+  <path d="M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0" />
+  <path d="M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5" />
+</svg>

src/app/layout.tsx

@@ -16,6 +16,9 @@ const geistMono = Geist_Mono({
 export const metadata: Metadata = {
   title: 'Workshop Manager',
   description: "Application de gestion d'ateliers SWOT pour entretiens managériaux",
+  icons: {
+    icon: '/icon.svg',
+  },
 };
 
 export default function RootLayout({

src/components/layout/Header.tsx

@@ -5,7 +5,7 @@ import { usePathname } from 'next/navigation';
 import { useSession, signOut } from 'next-auth/react';
 import { useTheme } from '@/contexts/ThemeContext';
 import { useState } from 'react';
-import { Avatar } from '@/components/ui';
+import { Avatar, RocketIcon } from '@/components/ui';
 
 export function Header() {
   const { theme, toggleTheme } = useTheme();
@@ -20,7 +20,7 @@ export function Header() {
     <header className="sticky top-0 z-50 border-b border-border bg-card/80 backdrop-blur-sm">
       <div className="mx-auto flex h-16 max-w-7xl items-center justify-between px-4">
         <Link href="/" className="flex items-center gap-2">
-          <span className="text-2xl">🚀</span>
+          <RocketIcon className="h-7 w-7 shrink-0 text-primary" />
           <span className="text-xl font-bold text-foreground">Workshop Manager</span>
         </Link>
 

src/components/ui/RocketIcon.tsx

@@ -0,0 +1,23 @@
+import { SVGProps } from 'react';
+
+export function RocketIcon({ className, ...props }: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      className={className}
+      aria-hidden
+      {...props}
+    >
+      <path d="M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z" />
+      <path d="m12 15-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z" />
+      <path d="M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0" />
+      <path d="M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5" />
+    </svg>
+  );
+}

src/components/ui/index.ts

@@ -11,6 +11,7 @@ export { EditableWeeklyCheckInTitle } from './EditableWeeklyCheckInTitle';
 export { EditableWeatherTitle } from './EditableWeatherTitle';
 export { Input } from './Input';
 export { Modal, ModalFooter } from './Modal';
+export { RocketIcon } from './RocketIcon';
 export { Select } from './Select';
 export { Textarea } from './Textarea';
 export { ToggleGroup } from './ToggleGroup';