Merge branch 'develop' into luap42/hot-posts-sidebar

.rubocop.yml

Gemfile

Gemfile.lock

app/assets/stylesheets/utilities.scss

app/controllers/articles_controller.rb

app/controllers/errors_controller.rb

app/controllers/questions_controller.rb

app/controllers/suggested_edit_controller.rb

app/controllers/users_controller.rb

app/helpers/advertisement_helper.rb

app/helpers/posts_helper.rb

app/helpers/search_helper.rb

app/models/post.rb

app/models/post_history.rb

app/models/post_history_tag.rb

app/models/tag.rb

app/views/post_history/_diff.html.erb

app/views/post_history/post.html.erb

...rate/20200721185048_add_title_and_tags_to_post_history.rb

db/migrate/20200721185230_create_post_history_tags.rb