feat: add shipping line companies management

- Implement ShippingLineCompaniesService for registering and managing shipping line companies.
- Create ResendActivationAction component for resending activation links to shipping lines.
- Develop ShippingLineCompaniesPage for listing and registering shipping lines with validation.
- Introduce shippingLineCompanies.service for API interactions related to shipping lines.
- Define types for shipping line companies, including registration and pagination.
- Add placeholder pages for shipping line portal, including home, bookings, help, invoices, and settings.

apps/edr-freight-web/backoffice/src/constants/URLS.ts

@@ -77,6 +77,17 @@ export const URL_CONSTANTS = {
     BOOKINGS: (id: string | number) => `/customers/${id}/bookings`,
   },
 
+  /**
+   * Carriers with a portal login. Distinct from `/shipping-lines`, which is the
+   * rule-engine's pricing lookup list (a code/label bookings reference).
+   */
+  SHIPPING_LINE_COMPANIES: {
+    BASE: "/shipping-line-companies",
+    BY_ID: (id: string) => `/shipping-line-companies/${id}`,
+    RESEND_ACTIVATION: (id: string) =>
+      `/shipping-line-companies/${id}/resend-activation`,
+  },
+
   COMPANIES: {
     BASE: "/companies",
     STATS: "/companies/stats",