title: bootstrap-vue.js with laravel Unknown custom element: <b-alert> error
body: <p>Im new to Vuejs and I get the error unknown custom element - </p>
  
  <p>how do i register a custom element - b-alert. I think this element is from bootstrapVue.</p>
  
  <pre><code>&lt;template&gt;
  &lt;div&gt;
   &lt;b-alert show&gt;Default Alert&lt;/b-alert&gt;
  
  
  
    &lt;/div&gt; 
     &lt;/template&gt;
  
      &lt;script&gt;
     export default {
      data () {
              return {
                   dismissSecs: 10,
                   dismissCountDown: 0,
                   showDismissibleAlert: false
              }
      },
                    methods: {
               countDownChanged (dismissCountDown) {
                       this.dismissCountDown = dismissCountDown
               },
               showAlert () {
                       this.dismissCountDown = this.dismissSecs
               }
  
       },
  
  }
  </code></pre>
  
  <p></p>