title: Set default config fonts in ckeditor 5
body: <p>I have project with ckeditor 5. I try to set default config for family and size font's. In ckeditor 4 we could set default config fonts by </p>
  
  <p><code>font_defaultLabel</code> and <code>fontSize_defaultLabel</code>.</p>
  
  <p>So how i can set this same in ckeditor 5 ?</p>
  
  <pre><code> function SetDefaultFont(fontSize) {
          CKEDITOR.config.fontSize_defaultLabel = fontSize;
      }
  
  function SetDefaultFontFamily(fontFamily) {
      CKEDITOR.config.font_defaultLabel = fontFamily;
  }
  </code></pre>