code: private void step_1() {
  
          // short call
          final Markwon markwon = Markwon.create(this);
  
          // this is the same as calling
          final Markwon markwon2 = Markwon.builder(this)
                  .usePlugin(CorePlugin.create())
                  .build();
      }
docs: Create a simple instance of Markwon with only Core plugin registered
  this will handle all _natively_ supported by commonmark-java nodes:
  <ul>
  <li>StrongEmphasis</li>
  <li>Emphasis</li>
  <li>BlockQuote</li>
  <li>Code</li>
  <li>FencedCodeBlock</li>
  <li>IndentedCodeBlock</li>
  <li>ListItem (bullet-list and ordered list</li>
  <li>Heading</li>
  <li>Link</li>
  <li>ThematicBreak</li>
  <li>Paragraph (please note that there is no default span for a paragraph registered)</li>
  </ul>
  <p>
  and basic core functionality:
  <ul>
  <li>Append text</li>
  <li>Insert new lines (soft and hard breaks)</li>
  </ul>