refactor(server): domain/infra (#1298)

* refactor: user repository

* refactor: user module

* refactor: move database into infra

* refactor(cli): use user core

* chore: import path

* chore: tests

server/libs/domain/src/domain.module.ts

@@ -0,0 +1,20 @@
+import { DynamicModule, Global, Module, ModuleMetadata, Provider } from '@nestjs/common';
+import { UserService } from './user';
+
+const providers: Provider[] = [
+  //
+  UserService,
+];
+
+@Global()
+@Module({})
+export class DomainModule {
+  static register(options: Pick<ModuleMetadata, 'imports'>): DynamicModule {
+    return {
+      module: DomainModule,
+      imports: options.imports,
+      providers: [...providers],
+      exports: [...providers],
+    };
+  }
+}