enhancement(common) add default options to MulterModule

Author: kamilmysliwiec

packages/common/files/multer.module.ts

@@ -8,7 +8,7 @@ import {
 
 @Module({})
 export class MulterModule {
-  static register(options: MulterModuleOptions): DynamicModule {
+  static register(options: MulterModuleOptions = {}): DynamicModule {
     return {
       module: MulterModule,
       providers: [{ provide: MULTER_MODULE_OPTIONS, useValue: options }],