Feature: Lazy loading

Lazy loaded everything
TODO: The cash flow module when clicking on sub-links, it reloads the whole page, it needs to be diagnosed and fixed, this problem also exists in the other modules
TODO: Rename folders and modules such as account to accounts to match the url

overlord/src/app/account/account-list/account-list.component.html

@@ -1,7 +1,7 @@
 <mat-card>
   <mat-card-title-group>
     <mat-card-title>Accounts</mat-card-title>
-    <a mat-button [routerLink]="['/Account']">
+    <a mat-button [routerLink]="['/accounts', 'new']">
       <mat-icon>add_box</mat-icon>
       Add
     </a>
@@ -21,7 +21,7 @@
       <ng-container matColumnDef="name">
         <mat-header-cell *matHeaderCellDef mat-sort-header>Name</mat-header-cell>
         <mat-cell *matCellDef="let row">
-          <a [routerLink]="['/Account', row.id]">
+          <a [routerLink]="['/accounts', row.id]">
             <mat-icon matSuffix *ngIf="row.isStarred" class="gold">star
             </mat-icon>
             {{row.name}}