build: update dependencies

Update dependencies and configure the app for angular material and flex
layout.

Fixes #44

src/main.ts

@@ -7,8 +7,8 @@
 import { enableProdMode } from '@angular/core';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
-import { AppModule } from '@app/app.module';
-import { environment } from '@env/environment';
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
 
 if (environment.production) {
   enableProdMode();