Config updated

src/app/app.footer.component.ts

@@ -1,10 +1,10 @@
 import { Component } from '@angular/core';
-import { AppComponent } from './app.component';
+import { AppMainComponent } from './app.main.component';
 
 @Component({
     selector: 'app-footer',
     templateUrl: './app.footer.component.html'
 })
 export class AppFooterComponent{
-    constructor(public app: AppComponent) {}
+    constructor(public appMain: AppMainComponent) {}
 }