add min char to tasks
feat: Add schemas and models for 'activity', 'event', 'option', 'question' and 'quest'. Add enum for event_status, task_status, task_type, task_category, question_type and activity_type. Add response schema for 'get_all_event'.
feat: Add schemas and models for 'activity', 'event', 'option', 'question' and 'quest'. Add enum for event_status, task_status, task_type, task_category, question_type and activity_type. Add response schema for 'get_all_event'.