update links to fonts

docs/index.html

@@ -319,11 +319,11 @@ <h2 class="anchored" data-anchor-id="required-typefaces">Required Typefaces</h2>
 <p>We will make use of custom fonts. A lot.<br>
 If you want to follow all contents locally, make sure the following typefaces are installed:</p>
 <ul>
-<li>Roboto Condensed: <a href="www.fonts.google.com/specimen/Roboto+Condensed" target="_blank">fonts.google.com/specimen/Roboto+Condensed</a></li>
-<li>Cabinet Grotesk: <a href="www.fontshare.com/fonts/cabinet-grotesk" target="_blank">fontshare.com/fonts/cabinet-grotesk</a></li>
-<li>Tabular: <a href="www.fontshare.com/fonts/tabular" target="_blank">fontshare.com/fonts/tabular</a></li>
-<li>Boska: <a href="(www.fontshare.com/fonts/boska" target="_blank">fontshare.com/fonts/boska</a></li>
-<li>Pally: <a href="www.fontshare.com/fonts/pally" target="_blank">fontshare.com/fonts/pally</a></li>
+<li>Roboto Condensed: <a href="https://fonts.google.com/specimen/Roboto+Condensed" target="_blank">fonts.google.com/specimen/Roboto+Condensed</a></li>
+<li>Cabinet Grotesk: <a href="https://fontshare.com/fonts/cabinet-grotesk" target="_blank">fontshare.com/fonts/cabinet-grotesk</a></li>
+<li>Tabular: <a href="https://fontshare.com/fonts/tabular" target="_blank">fontshare.com/fonts/tabular</a></li>
+<li>Boska: <a href="https://fontshare.com/fonts/boska" target="_blank">fontshare.com/fonts/boska</a></li>
+<li>Pally: <a href="https://fontshare.com/fonts/pally" target="_blank">fontshare.com/fonts/pally</a></li>
 </ul>
 <p>You can download all typefaces as a single zip file <a href="ggplot2-course-fonts.zip">here</a>.</p>