Add link to PT-BR translation (#205)

Author: alcir-junior-caju

README.md

@@ -16,6 +16,7 @@ We are aware of the following translations of this guide by the Go community.
 - **Traducción al Español** (Spanish): [friendsofgo/uber-go-guide-es](https://github.com/friendsofgo/uber-go-guide-es)
 - **แปลภาษาไทย** (Thai): [pallat/uber-go-style-guide-th](https://github.com/pallat/uber-go-style-guide-th)
 - **Tradução em português** (Portuguese): [lucassscaravelli/uber-go-guide-pt](https://github.com/lucassscaravelli/uber-go-guide-pt)
+- **Tradução em português** (Portuguese BR): [alcir-junior-caju/uber-go-style-guide-pt-br](https://github.com/alcir-junior-caju/uber-go-style-guide-pt-br)
 - **Tłumaczenie polskie** (Polish): [DamianSkrzypczak/uber-go-guide-pl](https://github.com/DamianSkrzypczak/uber-go-guide-pl)
 - **Русский перевод** (Russian): [sau00/uber-go-guide-ru](https://github.com/sau00/uber-go-guide-ru)
 - **Français** (French): [rm3l/uber-go-style-guide-fr](https://github.com/rm3l/uber-go-style-guide-fr)