Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `README.md`:
  Our README is completely different. Discarded upstream changes.
- `app/javascript/packs/mailer.js`:
  We had removed the file. Move the changes to `app/javascript/core/mailer.js`.

app/views/layouts/auth.html.haml

@@ -3,7 +3,7 @@
     .logo-container
       %h1
         = link_to root_path do
-          = svg_logo_full
+          = logo_as_symbol(:wordmark)
 
     .form-container
       = render 'flashes'