feat: Implement initial setup for Financial Crime domain

- Added Makefile for orchestrating domain instantiation and management.
- Created deploy README for guiding the setup process of the Financial Crime domain.
- Introduced domain configuration file for mapping metadata to the deployment template.
- Implemented pre-commit hook for validating metadata before commits.
- Developed instantiation script to manage the lifecycle of the Financial Crime domain.
- Added Salesforce CRM source with associated metadata and transformation files.
- Added SAP Fraud Management source with associated metadata and transformation files.
- Added Temenos Payment source with associated metadata and transformation files.
- Removed obsolete payment event and parties transformation files.

deploy/hooks/pre-commit

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Pre-commit metadata gate: block commits that break the MD-DDL domain.
+# Install with: make install-hooks
+set -euo pipefail
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+METADATA_DIR="$(
+  python3 - "$REPO_ROOT/deploy/domain.config.yml" <<'PY'
+import sys, yaml
+print(yaml.safe_load(open(sys.argv[1]))["metadata_dir"])
+PY
+)"
+
+echo "pre-commit: running MD-DDL pre-flight on '$METADATA_DIR'…"
+if ! python3 "$REPO_ROOT/.github/scripts/preflight.py" "$METADATA_DIR"; then
+    echo "pre-commit: metadata pre-flight FAILED — commit blocked." >&2
+    echo "  Fix the findings above, or bypass with 'git commit --no-verify'." >&2
+    exit 1
+fi
+echo "pre-commit: metadata OK."