separate RedocModule from AppModule

lib/app.module.ts

@@ -0,0 +1,13 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+
+import { RedocModule } from './redoc.module';
+import { Redoc } from './components/index';
+
+@NgModule({
+  imports: [ BrowserModule, RedocModule ],
+  bootstrap: [ Redoc ],
+  exports: [ Redoc ]
+})
+export class AppModule {
+}

lib/bootstrap.dev.ts

@@ -1,6 +1,6 @@
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
-import { RedocModule } from './redoc.module';
+import { AppModule } from './app.module';
 
 export function bootstrapRedoc() {
-  return platformBrowserDynamic().bootstrapModule(RedocModule);
+  return platformBrowserDynamic().bootstrapModule(AppModule);
 }

lib/bootstrap.ts

@@ -1,6 +1,6 @@
 import { platformBrowser } from '@angular/platform-browser';
-import { RedocModuleNgFactory } from './redoc.module.ngfactory';
+import { AppModuleNgFactory } from './app.module.ngfactory';
 
 export function bootstrapRedoc() {
-  return platformBrowser().bootstrapModuleFactory(RedocModuleNgFactory);
+  return platformBrowser().bootstrapModuleFactory(AppModuleNgFactory);
 }

lib/redoc.module.ts

@@ -1,5 +1,5 @@
 import { NgModule } from '@angular/core';
-import { BrowserModule } from '@angular/platform-browser';
+import { CommonModule } from '@angular/common';
 
 import { Redoc, REDOC_DIRECTIVES } from './components/index';
 import { REDOC_COMMON_DIRECTIVES } from './shared/components/index';
@@ -10,7 +10,7 @@ import { OptionsService, RedocEventsService, MenuService,
 import { SpecManager } from './utils/SpecManager';
 
 @NgModule({
-  imports: [ BrowserModule ],
+  imports: [ CommonModule ],
   declarations: [ REDOC_DIRECTIVES, REDOC_COMMON_DIRECTIVES, REDOC_PIPES],
   bootstrap: [ Redoc ],
   providers: [