fix: 🐛 Exporte addIcons depuis icons.js et index.js

Author: laruiss

src/index.js

@@ -1,7 +1,7 @@
 // import './init-dsfr.js'
 // import '@gouvfr/dsfr/dist/core/core.module.js'
 import * as components from './components/index.js'
-import VIcon from './icons.js'
+import VIcon, { addIcons } from './icons.js'
 
 export default {
   install: (app, options) => {
@@ -17,4 +17,4 @@ export * from './components/index.js'
 export * from './utils/random-utils.js'
 export * from './composables.js'
 
-export { VIcon }
+export { VIcon, addIcons }