feat(server): wip tax rates service

packages/server/src/services/TaxRates/GetTaxRates.ts

@@ -0,0 +1,21 @@
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+
+@Service()
+export class GetTaxRatesService {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   *
+   * @param {number} tenantId
+   * @returns
+   */
+  public async getTaxRates(tenantId: number) {
+    const { TaxRate } = this.tenancy.models(tenantId);
+
+    const taxRates = await TaxRate.query();
+
+    return taxRates;
+  }
+}