ajout modal activités

competency_iena_competencies_api.php

competency_iena_competencies_mgmt.php

db/install.xml

db/upgrade.php

entity/block_competency_iena_module.php

entity/block_competency_iena_ressource.php

js/dropdown.js

js/matrix.js

lang/en/block_competency_iena.php

lang/fr/block_competency_iena.php

templates/matrix_competencies.mustache

templates/modal_activities.mustache

version.php

view/view_competency_iena_competency_mgmt.php

view/view_competency_iena_competency_validation.php