refator: deprecate create service builder

Signed-off-by: Camila Belo <camilaibs@gmail.com>

packages/backend-common/api-report.md

@@ -265,7 +265,7 @@ export function createRootLogger(
   env?: NodeJS.ProcessEnv,
 ): winston.Logger;
 
-// @public
+// @public @deprecated
 export function createServiceBuilder(_module: NodeModule): ServiceBuilder;
 
 // @public

packages/backend-common/src/service/createServiceBuilder.ts

@@ -19,8 +19,8 @@ import { ServiceBuilder } from './types';
 
 /**
  * Creates a new service builder.
- *
  * @public
+ * @deprecated We are going to deprecated this old way of creating services in a near future, if you are using this service helper, please checkout the migration guide and make sure you migrate your backend to use the new system: https://backstage.io/docs/backend-system/building-backends/migrating.
  */
 export function createServiceBuilder(_module: NodeModule): ServiceBuilder {
   return new ServiceBuilderImpl(_module);