add use_blockchain column into table: projects

db/migrate/20201230070048_add_use_blockchain_to_projects.rb

@@ -0,0 +1,5 @@
+class AddUseBlockchainToProjects < ActiveRecord::Migration[5.2]
+  def change
+    add_column :projects, :use_blockchain, :boolean, default: 0
+  end
+end