Ajout de composants.

src/app/app.module.ts

@@ -10,6 +10,8 @@ import {HomeComponent} from './home/home.component';
 import {MatButtonModule} from "@angular/material/button";
 import { BackToHomeComponent } from './back-to-home/back-to-home.component';
 import {MatIconModule} from "@angular/material/icon";
+import { ObservablesExampleComponent } from './observables-example/observables-example.component';
+import { StateManagementExampleComponent } from './state-management-example/state-management-example.component';
 
 @NgModule({
     declarations: [
@@ -17,7 +19,9 @@ import {MatIconModule} from "@angular/material/icon";
         PromisesExampleComponent,
         HeaderComponent,
         HomeComponent,
-        BackToHomeComponent
+        BackToHomeComponent,
+        ObservablesExampleComponent,
+        StateManagementExampleComponent
     ],
     imports: [
         BrowserModule,