feat(tax): singular creates and deletes of regions, rates, rules (#6464)

**What**
- Adds support for creating single rates, regions, rules.
- Adds delete methods.

packages/types/src/tax/mutations.ts

@@ -3,6 +3,7 @@ export interface CreateTaxRateDTO {
   rate?: number | null
   code?: string | null
   name: string
+  rules?: Omit<CreateTaxRateRuleDTO, "tax_rate_id">[]
   is_default?: boolean
   created_by?: string
   metadata?: Record<string, unknown>

packages/types/src/tax/service.ts

@@ -1,4 +1,5 @@
 import { FindConfig } from "../common"
+import { SoftDeleteReturn } from "../dal"
 import { IModuleService } from "../modules-sdk"
 import { Context } from "../shared-context"
 import {
@@ -48,22 +49,45 @@ export interface ITaxModuleService extends IModuleService {
   delete(taxRateIds: string[], sharedContext?: Context): Promise<void>
   delete(taxRateId: string, sharedContext?: Context): Promise<void>
 
+  createTaxRegions(
+    data: CreateTaxRegionDTO,
+    sharedContext?: Context
+  ): Promise<TaxRegionDTO>
   createTaxRegions(
     data: CreateTaxRegionDTO[],
     sharedContext?: Context
   ): Promise<TaxRegionDTO[]>
 
+  deleteTaxRegions(
+    taxRegionIds: string[],
+    sharedContext?: Context
+  ): Promise<void>
+  deleteTaxRegions(taxRegionId: string, sharedContext?: Context): Promise<void>
+
   listTaxRegions(
     filters?: FilterableTaxRegionProps,
     config?: FindConfig<TaxRegionDTO>,
     sharedContext?: Context
   ): Promise<TaxRegionDTO[]>
 
+  createTaxRateRules(
+    data: CreateTaxRateRuleDTO,
+    sharedContext?: Context
+  ): Promise<TaxRateRuleDTO>
   createTaxRateRules(
     data: CreateTaxRateRuleDTO[],
     sharedContext?: Context
   ): Promise<TaxRateRuleDTO[]>
 
+  deleteTaxRateRules(
+    taxRateRulePair: { tax_rate_id: string; reference_id: string },
+    sharedContext?: Context
+  ): Promise<void>
+  deleteTaxRateRules(
+    taxRateRulePair: { tax_rate_id: string; reference_id: string }[],
+    sharedContext?: Context
+  ): Promise<void>
+
   listTaxRateRules(
     filters?: FilterableTaxRateRuleProps,
     config?: FindConfig<TaxRateRuleDTO>,