refactor: introduce PageHeader component (#6629)

* refactor: introduce PageHeader component

* feat: split up according to component structure guide

* fix: lint

* fix: label inconsistencies

* feat: refactor PageHeader (again)

* refactor: old impls

* fix: changes

* fix: rescan

* fix: prepr

* fix: dedupe

* fix: rev

* fix: lint

* fix: lint

---------

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

apps/frontend/src/locales/pt-BR/index.json

@@ -3656,12 +3656,6 @@
   "project.settings.visit-dashboard": {
     "message": "Visitar painel de projetos"
   },
-  "project.stats.downloads-label": {
-    "message": "{count, plural, =0 {Nenhum download} one {# download} other {# downloads}}"
-  },
-  "project.stats.followers-label": {
-    "message": "{count, plural, =0 {Nenhum seguidor} one {# seguidor} other {# seguidores}}"
-  },
   "project.status.archived.message": {
     "message": "{title} foi arquivado. {title} não receberá atualizações a menos que o autor decida desarquivar o projeto."
   },