Add info YML file
Add module file
Add routing file
Add local actions file
Add local tasks file
Add FooBarInterface class
Add FooBar class
Add install file
Add FooBarFormController class
Add FooBarDeleteForm class
Add FooBarListBuilder class
Add FooBarSettingsForm class
Change PSR-0 to PSR-4 file structure
The "foo_bar" entity did not specify a list_builder class

* Replace on "src/Entity/FooBar.php" class at the plugin
  controllers declaration "list" with "list_builder"

* "FooBarListController" class does not exist, point to the
  correct class "FooBarListBuilder"
Fix ContentEntityFormController class not found

"ContentEntityFormController" class not longer exist it was
replaced with "ContentEntityForm" search/replace it on
"FooBarFormController" class
Fix Integrity constraint violation: Column 'type' cannot be null

Set "type" form field default value as Entity Type Id at
"form" method on "FooBarFormController" class
Fix Call to a member function toRenderArray() on a non-object

Return an URL object on getCancelRoute method at
"FooBarDeleteForm" Class