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- deploy/baflakehouse.caddy: deleted (stale, superseded by rsync workflow)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>

.gitea/workflows/deploy.yaml

@@ -57,7 +57,7 @@ jobs:
           SSH_PRIVATE_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
           SERVER_IP: ${{ secrets.DEPLOY_SERVER_IP }}
           SERVER_USER: ${{ secrets.DEPLOY_SERVER_USER }}
-          TARGET_DIR: /var/www/docs/baflakehouse/
+          TARGET_DIR: /var/www/docs/bank-fraud/
         run: |
           # Setup SSH key
           mkdir -p ~/.ssh