Add scenario to test skills

scenarios/skill_test/config/SkillsMemory.cfg

scenarios/skill_test/config/control_memory.cfg

scenarios/skill_test/config/gaze_scheduler.cfg

scenarios/skill_test/config/global.cfg

scenarios/skill_test/config/scheduler_example.cfg

scenarios/skill_test/config/view_memory.cfg

...arios/skill_test/config/view_selection_skill_provider.cfg

scenarios/skill_test/skill_test.scx