rake task to generate code checksum

CHANGELOG_PREMIUM.md

@@ -5,4 +5,5 @@
 - [TODO DEPLOY] `rake fablab:setup:set_environment_to_invoices`
 - [TODO DEPLOY] `rake fablab:setup:chain_invoices_items_records`
 - [TODO DEPLOY] `rake fablab:setup:chain_invoices_records`
+- [TODO DEPLOY] `rake fablab:setup:chain_history_values_records`
 - [TODO DEPLOY] add `DISK_SPACE_MB_ALERT` environment variable (see [doc/environment.md](doc/environment.md) for configuration details)

lib/tasks/fablab/maintenance.rake

@@ -45,5 +45,10 @@ namespace :fablab do
       end
     end
 
+    desc 'generate current code checksum'
+    task checksum: :environment do
+      require 'checksum'
+      puts Checksum.code
+    end
   end
 end