chore: bootstrap independent git workflow

Co-Authored-By: Paperclip <noreply@paperclip.ing>

examples/scripts/bootstrap-mysql.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+COMPOSE_FILE="${COMPOSE_FILE:-$ROOT_DIR/docker-compose.demo.yml}"
+SERVICE_NAME="${MYSQL_SERVICE_NAME:-mysql}"
+MYSQL_ROOT_PASSWORD="${MYSQL_ROOT_PASSWORD:-dbtoolroot}"
+
+docker compose -f "$COMPOSE_FILE" exec -T "$SERVICE_NAME" \
+  mysql -uroot "-p$MYSQL_ROOT_PASSWORD" \
+  < "$ROOT_DIR/examples/fixtures/mysql/init.sql"
+
+echo "MySQL demo data seeded into qa_demo."