title: Install missing dependencies in angular 10
body: <p>I am using apollo in my angular 10 and I have this problem after running <code>ng serve</code></p>
  <blockquote>
  <p>ERROR in The target entry-point &quot;apollo-angular&quot; has missing
  dependencies:</p>
  <ul>
  <li>@angular/core</li>
  <li>apollo-client</li>
  <li>rxjs</li>
  <li>rxjs/operators</li>
  <li>apollo-link</li>
  </ul>
  </blockquote>
  <p>Is there a command to install all this missing dependencies in my project...even though I think I have installed all these..strange that I have these errors.
  Can someone shine some wisdom in me,thank you in advance</p>