Chore: Switch from Carrierwave to ActiveStorage (#393)

db/migrate/20191227191631_remove_carrier_wave_attributes.rb

@@ -0,0 +1,7 @@
+class RemoveCarrierWaveAttributes < ActiveRecord::Migration[6.0]
+  def change
+    remove_column :contacts, :avatar, :string
+    remove_column :channel_facebook_pages, :avatar, :string
+    remove_column :attachments, :file, :string
+  end
+end