feat(medusa,dashboard,tax): added tax rates and regions UI (#7026)

whats missing:

- make rules required for overrides
- conditions for other rules
- populating condition reference ids with labels on update

Co-authored-by: Adrien de Peretti <25098370+adrien2p@users.noreply.github.com>

packages/types/src/http/tax/admin/index.ts

@@ -1 +1,2 @@
+export * from "./tax-rates"
 export * from "./tax-regions"

packages/types/src/http/tax/admin/tax-rates.ts

@@ -0,0 +1,39 @@
+import { PaginatedResponse } from "../../../common"
+import { TaxRegionResponse } from "./tax-regions"
+
+/**
+ * @experimental
+ */
+export interface TaxRateResponse {
+  id: string
+  rate: number | null
+  code: string | null
+  name: string
+  metadata: Record<string, unknown> | null
+  tax_region_id: string
+  is_combinable: boolean
+  is_default: boolean
+  created_at: string | Date
+  updated_at: string | Date
+  deleted_at: Date | null
+  created_by: string | null
+  tax_region: TaxRegionResponse
+  rules: {
+    reference: string
+    reference_id: string
+  }[]
+}
+
+/**
+ * @experimental
+ */
+export interface AdminTaxRateResponse {
+  tax_rate: TaxRateResponse
+}
+
+/**
+ * @experimental
+ */
+export interface AdminTaxRateListResponse extends PaginatedResponse {
+  tax_rates: TaxRateResponse[]
+}

packages/types/src/http/tax/admin/tax-regions.ts

@@ -1,21 +1,29 @@
 import { PaginatedResponse } from "../../../common"
+import { TaxRateResponse } from "./tax-rates"
 
 /**
  * @experimental
  */
-interface TaxRegionResponse {
+export interface TaxRegionResponse {
   id: string
   rate: number | null
   code: string | null
+  country_code: string | null
+  province_code: string | null
   name: string
   metadata: Record<string, unknown> | null
   tax_region_id: string
   is_combinable: boolean
   is_default: boolean
+  parent_id: string | null
   created_at: string | Date
   updated_at: string | Date
   deleted_at: Date | null
   created_by: string | null
+
+  tax_rates: TaxRateResponse[]
+
+  parent: TaxRegionResponse
 }
 
 /**