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

Conflicts:
- app/javascript/packs/public.js
- app/models/user.rb
- config/settings.yml
- db/schema.rb

Moved public.js changes to settings.js.

app/views/layouts/public.html.haml

@@ -5,6 +5,10 @@
         .nav-left
           = link_to root_url, class: 'brand' do
             = image_tag asset_pack_path('logo_full.svg'), alt: 'Mastodon'
+
+          = link_to t('directories.directory'), explore_path, class: 'nav-link'
+          = link_to t('about.about_this'), about_more_path, class: 'nav-link'
+          = link_to t('about.apps'), 'https://joinmastodon.org/apps', class: 'nav-link'
         .nav-center
         .nav-right
           - if user_signed_in?