[Fix #196] AttestationTemplate: add model

db/migrate/20170524140630_create_attestation_templates.rb

@@ -0,0 +1,16 @@
+class CreateAttestationTemplates < ActiveRecord::Migration[5.0]
+  def change
+    create_table :attestation_templates do |t|
+      t.text :title
+      t.text :body
+      t.text :footer
+      t.string :logo
+      t.string :signature
+      t.boolean :activated
+
+      t.timestamps
+
+      t.references :procedure, index: { unique: true }, foreign_key: true
+    end
+  end
+end