refactor(components): convert components to separate modules

src/components/app/app.module.ts

@@ -0,0 +1,27 @@
+import { NgModule, ModuleWithProviders } from '@angular/core';
+
+import { IonicApp } from './app-root';
+
+import { NavModule } from '../nav/nav.module';
+
+@NgModule({
+  imports: [
+    NavModule
+  ],
+  declarations: [
+    IonicApp
+  ],
+  exports: [
+    IonicApp
+  ],
+  entryComponents: [
+    IonicApp
+  ]
+})
+export class AppModule {
+  public static forRoot(): ModuleWithProviders {
+    return {
+      ngModule: AppModule, providers: []
+    };
+  }
+}