Add helpers and types for BFF API

lib/api/helpers/services.ts

@@ -0,0 +1,26 @@
+import { cmFetch } from "../cmFetch";
+import { Service } from "../types";
+
+export async function getServices() {
+  return cmFetch<Service[]>(`/api/services`);
+}
+
+export async function getService(id: number) {
+  return cmFetch<Service>(`/api/services/${id}`);
+}
+
+export async function createService(service: Service) {
+  return cmFetch<Service>(`/api/services`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify(service),
+  });
+}
+
+export async function deleteService(id: number) {
+  return cmFetch<Service>(`/api/services/${id}`, {
+    method: "DELETE",
+  });
+}