Rename package from baflakehouse to bankfraud

- DESCRIPTION: Package name and URL updated to /bank-fraud
- R/baflakehouse-package.R → R/bankfraud-package.R
- _pkgdown.yml: url and reference alias updated
- deploy.yaml: TARGET_DIR updated to /var/www/docs/bank-fraud/
- deploy/baflakehouse.caddy: deleted (stale, superseded by rsync workflow)
- tests and README updated

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

R/bankfraud-package.R

@@ -0,0 +1,9 @@
+#' bankfraud: Lakehouse Workflow for the Bank Account Fraud Dataset
+#'
+#' Tools to ingest the Bank Account Fraud (BAF) Base dataset into a MinIO/S3-backed
+#' lakehouse, clean encoded missing values, and produce reproducible reporting
+#' artifacts orchestrated with targets.
+#'
+#' @docType _PACKAGE
+#' @name bankfraud-package
+NULL