penambahan button back pada breadcrumb

src/app/_layout/breadcrumb/breadcrumb.component.html

@@ -1,12 +1,22 @@
 <div class="row">
-  <div class="content-header-left col-md-6 col-12 mb-2 breadcrumb-new" *ngIf="breadcrumb">
-    <h3 class="content-header-title mb-0 d-inline-block">{{breadcrumb.mainlabel}}</h3>
+  <div
+    class="content-header-left col-md-6 col-12 mb-2 breadcrumb-new"
+    *ngIf="breadcrumb"
+  >
+    <button *ngIf="breadcrumb.isLinkBack" type="button" class="btn btn-icon btn-pure secondary mr-1" routerLink="{{ breadcrumb.linkBack }}">
+      <i class="feather ft-chevron-left"></i>
+    </button>
+    <h3 class="content-header-title mb-0 d-inline-block">
+      {{ breadcrumb.mainlabel }}
+    </h3>
     <div class="row breadcrumbs-top d-inline-block">
       <div class="breadcrumb-wrapper col-12">
         <ol class="breadcrumb">
           <li class="breadcrumb-item" *ngFor="let link of breadcrumb.links">
-            <a *ngIf="link.isLink" routerLink="{{link.link}}">{{link.name}}</a>
-            <span *ngIf="!link.isLink">{{link.name}}</span>
+            <a *ngIf="link.isLink" routerLink="{{ link.link }}">{{
+              link.name
+            }}</a>
+            <span *ngIf="!link.isLink">{{ link.name }}</span>
           </li>
         </ol>
       </div>