Add title to differentiate signature sheets

db/migrate/20190621181440_add_name_field_to_signature_sheets.rb

@@ -0,0 +1,5 @@
+class AddNameFieldToSignatureSheets < ActiveRecord::Migration[5.0]
+  def change
+    add_column :signature_sheets, :title, :string
+  end
+end

db/schema.rb

@@ -1318,6 +1318,7 @@ ActiveRecord::Schema.define(version: 20191108173350) do
     t.integer  "author_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "title"
   end
 
   create_table "signatures", force: :cascade do |t|