chore: 增加 pt-BR 链接

Author: ArgoZhang

BootstrapBlazor.slnx

@@ -20,6 +20,7 @@
     <File Path="localization/de.json" />
     <File Path="localization/es.json" />
     <File Path="localization/it.json" />
+    <File Path="localization/pt-BR.json" />
     <File Path="localization/pt.json" />
     <File Path="localization/ru-RU.json" />
     <File Path="localization/th-TH.json" />