bitcoin-paper: Add Portuguese Translation (Brazil)

_templates/bitcoin-paper.html

@@ -121,12 +121,21 @@ id: bitcoin-paper
 
         <li class="card bitcoin-paper-card">
           <img src="/img/icons/flag_pr.svg?{{site.time | date: '%s'}}" alt="Portuguese flag">
-          <a class="language-link" href="/files/bitcoin-paper/bitcoin_pr.pdf">Português</a>
+          <a class="language-link" href="/files/bitcoin-paper/bitcoin_pt.pdf">Português</a>
           <div>
             <span>{% translate translated_by %}</span>
             <a href="https://github.com/rhlinden">rhlinden</a>
           </div>
         </li>
+
+        <li class="card bitcoin-paper-card">
+          <img src="/img/icons/flag_br.svg?{{site.time | date: '%s'}}" alt="Portuguese flag">
+          <a class="language-link" href="/files/bitcoin-paper/bitcoin_pt_br.pdf">Português Brasileiro</a>
+          <div>
+            <span>{% translate translated_by %}</span>
+            <a href="https://www.linkedin.com/in/rodrigosilvap">Rodrigo Silva Pinto</a>
+          </div>
+        </li>
         
         <li class="card bitcoin-paper-card">
           <img src="/img/icons/flag_russian.svg?{{site.time | date: '%s'}}" alt="Russian flag">