chore: implement pt-BR translations. (#439)

Co-authored-by: Max Prilutskiy <5614659+maxprilutskiy@users.noreply.github.com>

Author: Felipeex

i18n.json

@@ -2,7 +2,7 @@
   "version": 1.2,
   "locale": {
     "source": "en",
-    "targets": ["ru", "fr", "es", "de", "zh-Hans", "ko", "ja", "it", "ar", "hi"]
+    "targets": ["ru", "fr", "es", "de", "zh-Hans", "ko", "ja", "it", "ar", "hi", "pt-BR"]
   },
   "buckets": {
     "markdown": {