Add Testing section to README

[akshay-online]

AB#33709

[akshay-online]

Generate within a specific tag (HTML): You can nest the command inside an HTML tag abbreviation:
Example: Type p>lorem30 to generate a 30-word paragraph inside <p>...</p> tags.
Example: Type ul>li*4>lorem5 to generate an unordered list with 4 list items, each containing 5 words.

<!-- Example of lorem text in a code block -->
<div class="placeholder-content">
  <p>

AB#33709
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor
    incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis
    nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
    Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore
    eu fugiat nulla pariatur.
  </p>
</div>

[akshay-online]

AB#33738