feat(i18n): add brazilian portuguese translations

src/po/LINGUAS

@@ -2,3 +2,4 @@
 en
 de
 tr
+pt_BR

src/po/pt_BR.po

@@ -0,0 +1,51 @@
+# Brazilian Portuguese translation for swappy
+# Copyright (C) 2020 Jeremy Attali
+# This file is distributed under the MIT License
+# Gustavo Costa <xfgusta@gmail.com>, 2021.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: swappy\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-06-21 21:57-0400\n"
+"PO-Revision-Date: 2021-02-14 20:38-0300\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 2.4.2\n"
+"Last-Translator: Gustavo Costa <xfgusta@gmail.com>\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"Language: pt_BR\n"
+
+#: res/swappy.glade:455
+msgid "Line Width"
+msgstr "Espessura da linha"
+
+#: res/swappy.glade:525
+msgid "Text Size"
+msgstr "Tamanho do texto"
+
+#: res/swappy.glade:641
+msgid "Toggle Paint Panel"
+msgstr "Alternar painel de pintura"
+
+#: res/swappy.glade:667
+msgid "Undo Last Paint"
+msgstr "Desfazer última pintura"
+
+#: res/swappy.glade:686
+msgid "Redo Previous Paint"
+msgstr "Refazer pintura anterior"
+
+#: res/swappy.glade:705
+msgid "Clear Paints"
+msgstr "Limpar pinturas"
+
+#: res/swappy.glade:733
+msgid "Copy Surface"
+msgstr "Copiar superfície"
+
+#: res/swappy.glade:749
+msgid "Save Surface"
+msgstr "Salvar superfície"

src/po/swappy.desktop.in

@@ -1,7 +1,9 @@
 [Desktop Entry]
 Name=Swappy
 GenericName=Annotation Tool
+GenericName[pt_BR]=Ferramenta de Anotação
 Comment=A Wayland native snapshot editing tool
+Comment[pt_BR]=Uma ferramenta de edição de snapshot nativa do Wayland
 TryExec=swappy
 Exec=swappy -f %F
 Terminal=true
@@ -10,4 +12,4 @@ Keywords=wayland;snapshot;annotation;editing;
 Icon=swappy
 Categories=Utility;Graphics;Annotation;
 StartupNotify=true
-MimeType=image/png;
+MimeType=image/png;