correct Antora configuration to use PlantUML theme

antora-playbook.yml

trivial-doc/antora.yml

...c/modules/development/examples/ad-initialization.plantuml

...al-doc/modules/development/examples/ad-mise-en-place.puml

...evelopment/examples/cd-cartes-questions-reponses.plantuml

...doc/modules/development/examples/cd-domain-model.plantuml

.../modules/development/examples/cd-parties-joueurs.plantuml

...oc/modules/development/examples/cd-plateau-cases.plantuml

trivial-doc/modules/development/examples/components.puml

trivial-doc/modules/development/examples/dc-global.puml

.../development/examples/deployment-diagram-example.plantuml

...-doc/modules/development/examples/deployment-diagram.puml

...ent/examples/instance-deployment-diagram-example.plantuml

trivial-doc/modules/development/examples/pd-example.plantuml

trivial-doc/modules/development/examples/uc-analyse.puml

trivial-doc/modules/development/nav.adoc

trivial-doc/modules/development/pages/analyse-domaine.adoc

trivial-doc/modules/development/pages/architecture.adoc

trivial-doc/modules/development/pages/composants.adoc

trivial-doc/modules/development/pages/conception.adoc