title: I am not able to make spell checker working in angular ui tinymce
body: <p>I am using angular ui tinymce for creating rich text editor. I have added spell cheker tool iin the tool bar using below code - </p>
  
  <pre><code>return {
              setup: function (editor) {
                  self.$timeout(function () {
                      editor.focus();
                  }, 200)
              },
              statusbar: false,
              menubar: false,
              browser_spellcheck: true,
              spellchecker_languages: 'English=en,German=de,Spanish=es',
              resize: false,
              plugins: 'textcolor colorpicker image anchor link lists advlist table paste spellchecker',
              toolbar1: "fontselect fontsizeselect styleselect | strikethrough bold italic | forecolor backcolor | link image ",
              toolbar2: "alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | spellchecker | table  undo redo",
              height: "400px",
          };
  </code></pre>
  
  <p>The spell checker option is coming properly on screen but it is not working. </p>
  
  <p>When i click on spellchecker icon it is giving me below error.</p>
  
  <blockquote>
    <p>"The spelling service was not found: (undefined)"</p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/sZ5fi.jpg" rel="nofollow noreferrer">enter image description here</a>
  could you guys please help me how to make this working. I have also check .php plug in but there is no documentation how to include in angular ui tinymce. </p>