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

Conflicts:
- app/controllers/home_controller.rb
- app/controllers/shares_controller.rb
- app/javascript/packs/public.js
- app/models/status.rb
- app/serializers/initial_state_serializer.rb
- app/views/home/index.html.haml
- app/views/layouts/public.html.haml
- app/views/public_timelines/show.html.haml
- app/views/shares/show.html.haml
- app/views/tags/show.html.haml
- config/initializers/content_security_policy.rb
- config/locales/en.yml
- config/webpack/shared.js
- package.json

config/routes.rb

@@ -435,9 +435,10 @@ Rails.application.routes.draw do
 
   get '/web/(*any)', to: 'home#index', as: :web
 
-  get '/about',      to: 'about#show'
-  get '/about/more', to: 'about#more'
-  get '/terms',      to: 'about#terms'
+  get '/about',        to: 'about#show'
+  get '/about/more',   to: 'about#more'
+  get '/about/blocks', to: 'about#blocks'
+  get '/terms',        to: 'about#terms'
 
   root 'home#index'