feat: Reintroduce crowdin synchronization. (#4178)

* feat: crowdin

* fix: preflight check

* fix: workflow

* fix: workflow

* fix: fail on preflight failure

* fix: crowdin config

* fix: ci

* fix: crowdin sources

* fix: crowdin config

* fix: crowdin pull

* fix: crowdin

* fix: crowdin issues

* fix: add-paths

* fix: move pr body to markdown template

* fix: lint & moderation package

* Update Crowdin link in pull request template

Signed-off-by: Cal H. <contact@cal.engineer>

* Update crowdin links

---------

Signed-off-by: Cal H. <contact@cal.engineer>
Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

apps/docs/public/welcome-channel.yaml

@@ -71,7 +71,7 @@
     Blog and newsletter: https://modrinth.com/news
     API documentation: https://docs.modrinth.com
     Modrinth source code: https://github.com/modrinth
-    Help translate Modrinth: https://crowdin.com/project/modrinth
+    Help translate Modrinth: https://translate.modrinth.com
     Follow Modrinth on Mastodon: https://floss.social/@modrinth
     Follow Modrinth on Twitter: https://twitter.com/modrinth