build: update dependencies

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

Fixes #44

src/app/self-service/self-service-routing.module.ts

@@ -1,7 +1,7 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
 
-import { Route, extract } from '@app/core';
+import { Route, extract } from '../../app/core';
 import { UserManagementComponent } from './user-management/user-management.component';
 import { CreateUserComponent } from './create-user/create-user.component';
 import { ViewUserComponent } from './view-user/view-user.component';