feat(icons): add business icon set and improve devkit icon copy behavior

- add `src/shared/icons/business.js` with new business-related icons
- move `Wallet03Icon` from `index.js` to `business.js`
- update `index.js` to export icons from business module
- add shift+click to copy JSX snippet in icons devkit page
- update icon button tooltip to hint shift shortcut
- document apostrophe escaping rule in icons README

src/features/admin/devkit/IconsPage.client.js

@@ -34,9 +34,14 @@ export default function IconsPage() {
     );
   }, [query, selectedCategory]);
 
-  const handleCopy = (name) => {
-    navigator.clipboard.writeText(`<${name} className="w-5 h-5" />`);
-    toast.success(`${name} copié`);
+  const handleCopy = (name, e) => {
+    if (e.shiftKey) {
+      navigator.clipboard.writeText(`<${name} className="w-5 h-5" />`);
+      toast.success(`JSX de ${name} copié`);
+    } else {
+      navigator.clipboard.writeText(name);
+      toast.success(`${name} copié`);
+    }
   };
 
   const hasSidebar = categories.length > 0;
@@ -81,8 +86,8 @@ export default function IconsPage() {
               {filtered.map(([name, IconComponent]) => (
                 <button
                   key={name}
-                  onClick={() => handleCopy(name)}
-                  title={name.replace('Icon', '')}
+                  onClick={(e) => handleCopy(name, e)}
+                  title={`${name.replace('Icon', '')} · Shift: JSX`}
                   className="aspect-square flex flex-col items-center justify-between rounded-lg border border-neutral-200 dark:border-neutral-800 bg-neutral-100 dark:bg-neutral-900 hover:border-blue-500 dark:hover:border-blue-500 transition-colors duration-100 group cursor-pointer px-1 py-2 overflow-hidden"
                 >
                   <div className="flex-1 flex items-center justify-center w-full">