Added Brazilian Portuguese translation (#2834)

Added the Brazilian Portuguese translation to all mods in the Minetest Game.

mods/dye/locale/dye.pt_BR.tr

@@ -0,0 +1,16 @@
+# textdomain: dye
+White Dye=Tinta Branca
+Grey Dye=Tinta Cinza
+Dark Grey Dye=Tinta Cinza-escuro
+Black Dye=Tinta Preta
+Violet Dye=Tinta Violeta
+Blue Dye=Tinta Azul
+Cyan Dye=Tinta Ciano
+Dark Green Dye=Tinta Verde-escuro
+Green Dye=Tinta Verde
+Yellow Dye=Tinta Amarela
+Brown Dye=Tinta Marrom
+Orange Dye=Tinta Laranja
+Red Dye=Tinta Vermelha
+Magenta Dye=Tinta Magenta
+Pink Dye=Tinta Rosa