Add Brazilian Portuguese (pt-BR) translation support to Kan (#276)

* adding Brazilian Portuguese translation; added a repository on Docker Hub to use in Umbrel — version ptbr jovaniojunior/kan-ptbr:latest

* add notes to changelog.md

* adjust pt-BR date format in date-fns

* improve Portuguese integration across code functions and other small pt-BR tweaks

* chore: gen missing translations

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Co-authored-by: Henry <henry_ball@hotmail.co.uk>

apps/web/lingui.config.ts

@@ -1,7 +1,7 @@
 import type { LinguiConfig } from "@lingui/conf";
 
 const config: LinguiConfig = {
-  locales: ["en", "fr", "de", "es", "it", "nl", "ru", "pl"],
+  locales: ["en", "fr", "de", "es", "it", "nl", "ru", "pl","ptbr"],
   sourceLocale: "en",
   catalogs: [
     {