feat(licserver): add partner customers proxy API

shop/lib/types/licserver.ts

@@ -29,3 +29,60 @@ export interface LicServerProblemDetails {
   instance?: string | null
   [key: string]: unknown
 }
+
+export interface CustomerDto {
+  id: string          // UUID
+  name: string | null
+  street: string | null
+  houseNumber: string | null
+  houseNumberAddon: string | null
+  zipCode: string | null
+  city: string | null
+  countryCode: string | null
+  email: string | null
+  partnerId: string | null
+  erpId: string | null
+}
+
+export interface CustomerDtoPagedResult {
+  page:            number
+  pageSize:        number
+  totalCount:      number
+  totalPages:      number
+  hasNextPage:     boolean
+  hasPreviousPage: boolean
+  items:           CustomerDto[] | null
+}
+
+export interface LocationDto {
+  id: string          // UUID
+  name: string | null
+  street: string | null
+  houseNumber: string | null
+  houseNumberAddon: string | null
+  countryCode: string | null
+  postalCode: string | null
+  city: string | null
+  taxNumber: string | null
+  vatIdNumber: string | null
+}
+
+export interface CustomerDetailsDto {
+  id: string          // UUID
+  name: string | null
+  street: string | null
+  houseNumber: string | null
+  houseNumberAddon: string | null
+  zipCode: string | null
+  city: string | null
+  countryCode: string | null
+  email: string | null
+  partnerId: string | null
+  erpId: string | null
+  partnerName: string | null
+  taxNumber: string | null
+  vatIdNumber: string | null
+  notes: string | null
+  locations: LocationDto[] | null
+}
+