[add:php] Add 4 controllers to Controllers folder in the project

Add AdministratorsController, BabiesController, BmisController and
ChildGrowthsController php files contaning the controller code for
each of the controllers.
[add:php] Add 4 models to the Models folder in the Project

Add DeterminantsController, FamilyMembersController, FieldCommunitiesController
and FieldGroupProgressesController php files containing the code for
respective models.
[add:php] Add 3 Controllers to the controller folder in the project

Add FieldGroupsController, FlourUsagesController and
HealthGroupProgressesController php files containing the controllers
for each respective Model.