title: component has been registered but not used vue/no-unused-components
body: <p>Created my component <code>EmployeeTable.vue</code>
  Then I exported as </p>
  
  <pre><code>&lt;script&gt;
  export default {
    name: "employee-table"
  };
  &lt;/script&gt;
  </code></pre>
  
  <p>But when I import it in <code>App.vue</code> as follows <code>import EmployeeTable from "@/components/EmployeeTable.vue";</code>
  I get this error </p>
  
  <pre><code>error  The "EmployeeTable" component has been registered but not used  vue/no-unused-components
  </code></pre>