Implementation of the class "Practitioner_Type" & PractitionerDAO.php &  Practitioner_TypeDAO V2
Implementation of the "practitioner.html.twig" &  "practitioners.html.twig" &  "practitiones_searchr.html.twig" &  "practitioners_results.html.twig" 
Rename the class  "Practitioner_TypeDAO" in  "PractitionerTypeDAO"  & "Practitioner_Type" in  "PractitionerType"