First attempt to make the translation for portuguese(made by a brazilian).

The work is not finished!

README.pt.md

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+# sway
+
+[**English**](https://github.com/swaywm/sway/blob/master/README.md#sway--) - [日本語](https://github.com/swaywm/sway/blob/master/README.ja.md#sway--) - [Français](https://github.com/swaywm/sway/blob/master/README.fr.md#sway--) - [Українська](https://github.com/swaywm/sway/blob/master/README.uk.md#sway--) - [Español](https://github.com/swaywm/sway/blob/master/README.es.md#sway--) - [Polski](https://github.com/swaywm/sway/blob/master/README.pl.md#sway--) - [中文-简体](https://github.com/swaywm/sway/blob/master/README.zh-CN.md#sway--) - [Deutsch](https://github.com/swaywm/sway/blob/master/README.de.md#sway--) - [Nederlands](https://github.com/swaywm/sway/blob/master/README.nl.md#sway--) - [Русский](https://github.com/swaywm/sway/blob/master/README.ru.md#sway--) - [中文-繁體](https://github.com/swaywm/sway/blob/master/README.zh-TW.md#sway--) - [Português]()
+
+sway is an [i3](https://i3wm.org/)-compatible [Wayland](http://wayland.freedesktop.org/) compositor.
+Leia o [FAQ](https://github.com/swaywm/sway/wiki). Junte-se ao [canal
+IRC](http://webchat.freenode.net/?channels=sway&uio=d4) (#sway em
+irc.freenode.net).
+
+Se você gostaria de apoiar o desenvolvimento do sway, por favor contribua na [página do patreon de
+SirCmpwn](https://patreon.com/sircmpwn).
+
+## Assinatura das versões
+As versões são assinadas com [B22DA89A](http://pgp.mit.edu/pks/lookup?op=vindex&search=0x52CB6609B22DA89A)
+e publicadas [no GitHub](https://github.com/swaywm/sway/releases).
+<!-- Releases are signed with [B22DA89A](http://pgp.mit.edu/pks/lookup?op=vindex&search=0x52CB6609B22DA89A)
+and published [on GitHub](https://github.com/swaywm/sway/releases). -->
+
+## Instalação
+
+### A partir de pacotes
+O Sway está disponível em várias distribuições. Tente instalar o pacote "sway"
+na sua. Caso não esteja disponível, verifique [esta wiki](https://github.com/swaywm/sway/wiki/Unsupported-packages)
+para se informar a sobre a instalação para sua distribuição.
+
+<!-- Sway is available in many distributions. Try installing the "sway" package for
+yours. If it's not available, check out [this wiki page](https://github.com/swaywm/sway/wiki/Unsupported-packages)
+for information on installation for your distributions. -->
+Se você está interessado em criar um pacote do sway para a sua distribuição, verifique canal do IRC
+ou mande um email para sir@cmpwn.com para obter informações.
+
+<!-- If you're interested in packaging sway for your distribution, stop by the IRC
+channel or shoot an email to sir@cmpwn.com for advice. -->
+### Compilando a partir do código-fonte
+
+Instale as dependências:
+<!-- Install dependencies: -->
+
+* meson \*
+* [wlroots](https://github.com/swaywm/wlroots)
+* wayland
+* wayland-protocols \*
+* pcre
+* json-c
+* pango
+* cairo
+* gdk-pixbuf2 (optional: system tray)
+* [scdoc](https://git.sr.ht/~sircmpwn/scdoc) (optional: man pages) \*
+* git \*
+
+_\*Compile-time dep_
+
+Rode esses comandos:
+<!-- Run these commands: -->
+
+    meson build
+    ninja -C build
+    sudo ninja -C build install
+
+Em sistemas sem logind, você precisa executar o binário do sway:
+<!-- On systems without logind, you need to suid the sway binary: -->
+
+    sudo chmod a+s /usr/local/bin/sway
+
+O sway perderá as privilégios de de root logo após o startup.
+<!-- Sway will drop root permissions shortly after startup. -->
+
+## Configuração
+
+Se você já utiliza o i3, então copie os seus arquivos de configuração para `~/.config/sway/config` e
+tudo funcionará normalmente. Caso contrário, copie o arquivo de configuração de exemplo para
+`~/.config/sway/config`. Normalmente, este arquivo está localizado em `/etc/sway/config`.
+Execute `man 5 sway` para se informar sobre a configuração.
+
+<!-- If you already use i3, then copy your i3 config to `~/.config/sway/config` and
+it'll work out of the box. Otherwise, copy the sample configuration file to
+`~/.config/sway/config`. It is usually located at `/etc/sway/config`.
+Run `man 5 sway` for information on the configuration. -->
+## Execução
+
+Execute o comando `sway` de um TTY. Alguns gerenciadores de diplay(ou gerenciadores de login) podem funcionar mas alguns não são suportaods
+pelo sway (o gdm é conhecido por funcionar bem). 
+<!-- Run `sway` from a TTY. Some display managers may work but are not supported by
+sway (gdm is known to work fairly well). -->