refatorando a arquitetura

internal/repository/inventory_repository.go

@@ -0,0 +1,11 @@
+package repository
+
+import "controle-de-estoque/internal/model"
+
+type InventoryRepository interface {
+	Create(p *model.ProductInput) *model.Product
+	FindByID(id int) (*model.Product, error)
+	FindAll() map[int]*model.Product
+	Update(p *model.Product) error
+	Delete(id int) error
+}