Translate few things to Portuguese (#38)

content/jumbotron/index.pt-br.md

@@ -7,7 +7,7 @@ draft: false
 ---
 
 <h1 class="display-4">Gitea - Git with a cup of tea</h1>
-<p class="lead">A painless self-hosted Git service.</p>
+<p class="lead">Um servidor Git super fácil de instalar.</p>
 <hr class="my-2">
 <p>
 	Gitea é um [fork](https://blog.gitea.io/2016/12/welcome-to-gitea/) do [Gogs](http://gogs.io) mantido pela comunidade, 
@@ -15,5 +15,5 @@ draft: false
 	e disponibilizado sob a licença [MIT](https://github.com/go-gitea/gitea/blob/master/LICENSE).
 </p>
 <p class="lead">
-<a class="btn btn-primary btn-lg" href="https://try.gitea.io" target="_blank" role="button">Try Gitea</a>
+<a class="btn btn-primary btn-lg" href="https://try.gitea.io" target="_blank" role="button">Teste o Gitea</a>
 </p>

content/lightweight/index.pt-br.md

@@ -9,7 +9,7 @@ draft: false
 	<svg class="octicon octicon-rocket" viewBox="0 0 16 16" version="1.1" aria-hidden="true">
 		<path fill-rule="evenodd" d="M12.17 3.83c-.27-.27-.47-.55-.63-.88-.16-.31-.27-.66-.34-1.02-.58.33-1.16.7-1.73 1.13-.58.44-1.14.94-1.69 1.48-.7.7-1.33 1.81-1.78 2.45H3L0 10h3l2-2c-.34.77-1.02 2.98-1 3l1 1c.02.02 2.23-.64 3-1l-2 2v3l3-3v-3c.64-.45 1.75-1.09 2.45-1.78.55-.55 1.05-1.13 1.47-1.7.44-.58.81-1.16 1.14-1.72-.36-.08-.7-.19-1.03-.34a3.39 3.39 0 0 1-.86-.63M16 0s-.09.38-.3 1.06c-.2.7-.55 1.58-1.06 2.66-.7-.08-1.27-.33-1.66-.72-.39-.39-.63-.94-.7-1.64C13.36.84 14.23.48 14.92.28 15.62.08 16 0 16 0"></path>
 	</svg>
-	Lightweight
+	Leve
 </h3>
 
 Gitea utiliza poucos recursos e consegue mesmo rodar no barato Raspberry Pi. Economize energia elétrica da sua máquina!

content/open-source/index.pt-br.md

@@ -9,7 +9,7 @@ draft: false
 	<svg class="octicon octicon-code" viewBox="0 0 14 16" version="1.1" aria-hidden="true">
 		<path fill-rule="evenodd" d="M9.5 3L8 4.5 11.5 8 8 11.5 9.5 13 14 8 9.5 3zm-5 0L0 8l4.5 5L6 11.5 2.5 8 6 4.5 4.5 3z"></path>
 	</svg>
-	Open Source
+	Código Aberto
 </h3>
 
 Está tudo no [GitHub](https://github.com/go-gitea/gitea/)!