feat : refacto de la partie calendrier + ajout de validation sur les formulaires + ajout des jours fériés

frontend/services/public-holidays.ts

@@ -0,0 +1,18 @@
+export type PublicHolidaysResponse =
+  | { days?: Record<string, string> }
+  | Record<string, string>
+
+export const listPublicHolidays = async (zone: string, year: number) => {
+  const api = useApi()
+  const data = await api.get<PublicHolidaysResponse>(
+    `/public-holidays/${zone}/${year}`,
+    {},
+    { toast: false }
+  )
+
+  if (data && typeof data === 'object' && 'days' in data) {
+    return (data.days ?? {}) as Record<string, string>
+  }
+
+  return (data ?? {}) as Record<string, string>
+}