feat: add app shell (angular-material)

Add app shell built using angular-material and flex-layout. Refractor
code due to configuration changes.

Fixes #52

src/app/home/home.component.ts

@@ -1,10 +1,11 @@
 import { Component, OnInit } from '@angular/core';
+
 import { finalize } from 'rxjs/operators';
 
 import { QuoteService } from './quote.service';
 
 @Component({
-  selector: 'app-home',
+  selector: 'mifosx-home',
   templateUrl: './home.component.html',
   styleUrls: ['./home.component.scss']
 })
@@ -17,9 +18,9 @@ export class HomeComponent implements OnInit {
 
   ngOnInit() {
     this.isLoading = true;
-    this.quoteService.getRandomQuote({ category: 'dev' })
-      .pipe(finalize(() => { this.isLoading = false; }))
-      .subscribe((quote: string) => { this.quote = quote; });
+    // this.quoteService.getRandomQuote({ category: 'dev' })
+    //   .pipe(finalize(() => { this.isLoading = false; }))
+    //   .subscribe((quote: string) => { this.quote = quote; });
   }
 
 }