Polish release notes and in-app help (#2070)

* feat(ui): improve changelog and help navigation

Make release notes easier to scan and reach from the app. Also keep the homepage marquee within the layout viewport so it cannot create horizontal scrolling.

* fix(website): reject duplicate release anchors

packages/app/src/i18n/resources/pt-BR.ts

@@ -810,16 +810,13 @@ export const ptBR: TranslationResources = {
     },
     help: {
       trigger: "Ajuda e suporte",
-      troubleshoot: "Resolver problemas",
+      sectionHelp: "Ajuda",
       diagnostics: "Executar diagnóstico",
-      diagnosticsDescription: "Coletar detalhes do app e dos hosts conectados",
       shortcuts: "Atalhos de teclado",
-      shortcutsDescription: "Ver os atalhos de teclado disponíveis",
       reportIssue: "Relatar um problema",
       discord: "Discord",
-      discordDescription: "Ideal para ajuda rápida e conversa",
       github: "Criar issue no GitHub",
-      githubDescription: "Relatar um bug reproduzível",
+      whatsNew: "Novidades",
       version: "Paseo {{version}}",
     },
     sections: {