fix upload files message and documentation link

src/app/menu/menu.component.html

@@ -23,7 +23,8 @@
         <div class="navbar-collapse collapse w-100 order-3 dual-collapse2">
             <ul class="navbar-nav ml-auto">
                 <li><a *ngIf="loginService.getIsLogged()" routerLink="/uploadFiles" class="navbar-brand">Upload Annotations</a></li>
-                <li><a *ngIf="!loginService.getIsLogged()" routerLink="/login" class="navbar-brand">LogIn</a></li>
+                <li><a target="blank" href="https://pretoxtm.gitlab.io/documentation/" class="navbar-brand">Documentation</a></li>
+                <!-- <li><a *ngIf="!loginService.getIsLogged()" routerLink="/login" class="navbar-brand">LogIn</a></li> -->
                 <li><span *ngIf="loginService.getIsLogged()" class="navbar-brand">Welcome {{loginService.getUsername()}}</span></li>
                 <li><a *ngIf="loginService.getIsLogged()" routerLink="/logout" class="navbar-brand">LogOut</a></li>
             </ul>

src/app/upload-files/upload-files.component.html

@@ -42,7 +42,7 @@ You will have repeated documents with the same name, you can difference them thr
 </div>
   <!-- <div class="alert alert-light" role="alert">{{ message_response }}</div> -->
   <div *ngIf="message_response.length>0" class="card">
-    <div class="card-header">Messages:</div>
+    <div class="card-header">Messages: No document will be processed until all the errors were solved.</div>
     <ul
       class="list-group list-group-flush"
       *ngFor="let m of message_response "