Rename serviceFactories to services, fix docs

Signed-off-by: Johan Haals <johan.haals@gmail.com>

packages/backend-app-api/api-report.md

@@ -44,7 +44,7 @@ export function createSpecializedBackend(
 // @public (undocumented)
 export interface CreateSpecializedBackendOptions {
   // (undocumented)
-  serviceFactories: AnyServiceFactory[];
+  services: AnyServiceFactory[];
 }
 
 // @public (undocumented)

packages/backend-app-api/src/wiring/types.ts

@@ -42,7 +42,7 @@ export interface BackendRegisterInit {
  * @public
  */
 export interface CreateSpecializedBackendOptions {
-  serviceFactories: AnyServiceFactory[];
+  services: AnyServiceFactory[];
 }
 
 export type ServiceHolder = {
@@ -55,5 +55,5 @@ export type ServiceHolder = {
 export function createSpecializedBackend(
   options: CreateSpecializedBackendOptions,
 ): Backend {
-  return new BackstageBackend(options.serviceFactories);
+  return new BackstageBackend(options.services);
 }