Page translated into Portuguese (#104)

* Page translated into Portuguese

* Update 404.html

Co-authored-by: Matt Joseph <encryptstream@gmail.com>

i18n/pt/404.html

@@ -1,15 +1,16 @@
 ---
 layout: default
-title: TODO | Terminal Cheat Sheet
+title: Não localizado | Terminal Cheat Sheet
 permalink: /pt/404
 permalink_without_prefix: /404
 lang: pt
 ---
+
 <article class="section-neutral-primary">
-  <h1 class="center">TODO</h1>
+  <h1 class="center">Comando não localizado</h1>
   <br /><br /><br /><br /><br />
   <div class="centering-div">
-    <a href="/te/" class="pure-button button-large button-primary">TODO</a>
+    <a href="/pt/" class="pure-button button-large button-primary">Voltar à página inicial</a>
   </div>
   <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
 </article>