message: fix(top-menu): fixed top logo in documentation
diff: <header id="header" class="header">
  <h1 class="logo" >
  - <a [attr.routerLink]="['']">
  + <a routerLink="['']">
  <img alt="ngx-bootstrap" src="assets/images/logos/header-logo.svg">
  </a>
  </h1>
  