Issue #3506582 by scott_euser, mpotter: Ability to customize prompt

ai_auto_reference.action.yml

ai_auto_reference.install

ai_auto_reference.links.menu.yml

ai_auto_reference.links.task.yml

ai_auto_reference.routing.yml

config/install/ai_auto_reference.settings.yml

config/schema/ai_auto_reference.entity_display.schema.yml

config/schema/ai_auto_reference.prompt.schema.yml

src/AiAutoReferencePromptListBuilder.php

src/AiReferenceGenerator.php

src/Batch/AiReferenceBatch.php

src/Entity/AiAutoReferencePrompt.php

src/Entity/AiAutoReferencePromptInterface.php

src/Form/AiAutoReferencePromptDeleteForm.php

src/Form/AiAutoReferencePromptForm.php

src/Form/AutoReferenceEditForm.php

src/Form/EntityBundleSettingsForm.php

tests/src/Functional/AiAutoReferenceUiTest.php