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/src/hooks/useLocalisation.ts

@@ -1,6 +1,6 @@
 import type { Locale as DateFnsLocale } from "date-fns";
 import { useLingui } from "@lingui/react";
-import { de, enGB, es, fr, it, nl, pl, ru } from "date-fns/locale";
+import { de, enGB, es, fr, it, nl, pl, ru, ptBR} from "date-fns/locale";
 
 import type { Locale } from "~/locales";
 import { useLinguiContext } from "~/providers/lingui";
@@ -19,6 +19,7 @@ export function useLocalisation() {
     nl,
     ru,
     pl,
+    ptbr: ptBR,
   };
 
   const currentDateLocale = dateLocaleMap[locale] ?? enGB;