feat : Ajout de zod, création d'un composant de chargement loading-dots.vue et finalisation du flow d'une reception

frontend/services/dto/reception-data.ts

@@ -1,9 +1,16 @@
 export interface ReceptionData {
     id: number
-    dsd: number | null
     licensePlate: string | null
-    weight: number | null
+    weights?: WeightEntryData[] | null
     receptionDate: string
     currentStep: number
     isValid: boolean
 }
+
+export interface WeightEntryData {
+    id?: number
+    type: 'gross' | 'tare'
+    dsd: number | null
+    weight: number | null
+    weighedAt: string | null
+}