refractor: accounting module (#300)

* Refractor components.
* Add resolvers.
* Add relative router links.
* Replace mat-icons by font-awesome icons.
* Add comments.

Fixes: #298

src/app/accounting/accounting-rules/accounting-rules.component.html

@@ -1,14 +1,16 @@
 <div class="container m-b-20" fxLayout="row" fxLayoutAlign="end" fxLayoutGap="20px">
-  <button mat-raised-button color="primary" [routerLink]="['/accounting/accounting-rules/create']">
-    <mat-icon>add</mat-icon>&nbsp;&nbsp;Add Rule
+  <button mat-raised-button color="primary" [routerLink]="['create']">
+    <fa-icon icon="plus"></fa-icon>&nbsp;&nbsp;
+    Add Rule
   </button>
 </div>
 
 <div class="container">
 
-  <div fxLayout="row" fxLayoutGap="20px">
+  <div fxLayout="row">
     <mat-form-field fxFlex>
-      <input matInput (keyup)="applyFilter($event.target.value)" placeholder="Filter">
+      <mat-label>Filter</mat-label>
+      <input matInput (keyup)="applyFilter($event.target.value)">
     </mat-form-field>
   </div>
 
@@ -47,7 +49,7 @@
       </ng-container>
 
       <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
-      <tr mat-row *matRowDef="let row; columns: displayedColumns;" [routerLink]="['/accounting/accounting-rules/view', row.id]"></tr>
+      <tr mat-row *matRowDef="let row; columns: displayedColumns;" [routerLink]="['view', row.id]" class="select-row"></tr>
 
     </table>