new htmls

Author: oscarbaruffa

_book/index.html

@@ -499,7 +499,7 @@ <h1>
 <div id="header">
 <h1 class="title">Big Book of R</h1>
 <p class="author"><em>Oscar Baruffa</em></p>
-<p class="date"><em>01 January, 2022</em></p>
+<p class="date"><em>02 January, 2022</em></p>
 </div>
 <div id="welcome" class="section level1" number="1">
 <h1><span class="header-section-number">1</span> Welcome :)</h1>