feat: add invoice and alternative_componen management functionality

internal/models/responses/alternative_component_response.go

@@ -0,0 +1,14 @@
+package responses
+
+type CreateAlternativeComponentResponse struct {
+	ID int64 `json:"id"`
+}
+
+type UpdateAlternativeComponentResponse struct {
+	ID                     int64  `json:"id"`
+	InvoiceConfigItemID    int64  `json:"invoiceConfigItemId"`
+	AlternativeComponentID int64  `json:"alternativeComponentId"`
+	ConversionRatio        string `json:"conversionRatio"`
+	Priority               int32  `json:"priority"`
+	Note                   string `json:"note"`
+}

internal/models/responses/invoice_response.go

@@ -0,0 +1,16 @@
+package responses
+
+type CreateInvoiceResponse struct {
+	ID          int64  `json:"id"`
+	InvoiceCode string `json:"invoiceCode"`
+}
+
+type UpdateInvoiceResponse struct {
+	ID              int64  `json:"id"`
+	InvoiceCode     string `json:"invoiceCode"`
+	Type            string `json:"type"`
+	Status          string `json:"status"`
+	InvoiceConfigID int64  `json:"invoiceConfigId"`
+	TotalItems      int32  `json:"totalItems"`
+	Note            string `json:"note"`
+}