Implement a Markdown to HTML converter
Input:
"This is a cool \n" +
"place to ~~work~~.\n\n" +
"> Some people \n" +
"> like it\n" +
"> here.\n\n" +
"We make ~cool~ stuff.\n\n";
Output:
<p>This is a cool <br /> place to <del>work</del></p>
<p><blockquote><Some people <br /> like it <br /> here.</p>
<p>We make <del>cool</del> stuff.</p>