Add alt_source field on uploads to deal with twitter galleries

db/migrate/20180804203201_add_alt_source_to_uploads.rb

@@ -0,0 +1,7 @@
+class AddAltSourceToUploads < ActiveRecord::Migration[5.2]
+  def change
+    add_column :uploads, :alt_source, :text
+    add_index :uploads, :source
+    add_index :uploads, :alt_source
+  end
+end