feat(): added link for nest v8

Author: Tony133

src/app/homepage/header/versions/versions.component.html

@@ -23,7 +23,8 @@
   <div class="dropdown-content"  [@openCloseAnimation]="isOpen">
     <a *ngIf="linkLatest != true" class="dropdown-item" href="#">Latest(v{{ versions }})</a>
     <div class="dropdown-divider"></div>  
-    <a href="https://docs.nestjs.com/v7/" target="_blank">7.x </a>
+    <a href="https://docs.nestjs.com/v8/" target="_blank">8.x</a>
+    <a href="https://docs.nestjs.com/v7/" target="_blank">7.x</a>
     <a href="https://docs.nestjs.com/v6/" target="_blank">6.x</a>
     <a href="https://docs.nestjs.com/v5/" target="_blank">5.x</a>
     <a href="https://docs.nestjs.com/v4/" target="_blank">4.x</a>