title: importing font awesome to vue project
body: <p>i installed font-awesome into my Vue project exactly like in Docs but i got that error
  <a href="https://i.stack.imgur.com/c6rAW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/c6rAW.png" alt="enter image description here" /></a></p>
  <p>first i installed it using these commands</p>
  <pre><code>$ npm i --save @fortawesome/fontawesome-svg-core
  $ npm i --save @fortawesome/free-solid-svg-icons
  $ npm i --save @fortawesome/vue-fontawesome@prerelease
  </code></pre>
  <p>in main.js :</p>
  <pre><code>import Vue from 'vue'
  import App from './App.vue'
  import { library } from '@fortawesome/fontawesome-svg-core'
  import { faUserSecret } from '@fortawesome/free-solid-svg-icons'
  import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
  
  library.add(faUserSecret)
  
  Vue.component('font-awesome-icon', FontAwesomeIcon)
  </code></pre>
  <p>Navbar.vue:</p>
  <pre><code>&lt;div class=&quot;nav-icons&quot;&gt;
      &lt;font-awesome-icon icon=&quot;user-secret&quot; /&gt;
  &lt;/div&gt;
  </code></pre>