docs(forecasting/bootstrap): MAPD regeneration note + point-vs-mean and BCa-vs-percentile footguns

docs(forecasting/bootstrap): MAPD regeneration note + point-vs-mean and BCa-vs-percentile footguns

docs(forecasting): record MAPD fairness regeneration provenance

fix(forecasting): regenerate fairness draws under MAPD (were max-min)

Add/update forecasting bootstrap reference: draws.meta.json

Add/update forecasting bootstrap reference: draws.parquet

Add/update forecasting bootstrap reference: draws.meta.json

Add/update forecasting bootstrap reference: draws.parquet

Add/update forecasting bootstrap reference: SCHEMA.md

Add/update forecasting bootstrap reference: README.md

Add/update forecasting bootstrap reference: draws.meta.json

Add/update forecasting bootstrap reference: draws.parquet