Agent Skills: add-datalake-consumer

Adds an event consumer that writes to Azure Data Lake (Parquet) following BI_SALES_RISK plan. Creates events/consumers/[Name]DataLakeCollector.ts subscribing to RabbitMQ, building Parquet rows, writing to /path_prefix/year=YYYY/month=MM/day=DD/. Use when adding DataLakeCollector in logging or similar “event to Data Lake” pipelines.