Add dashboard audit log and configuration management

- Implemented dashboard audit logging with InsertAuditLog, GetRecentAuditLogs, GetAuditLogsByIP, and CleanupOldAuditLogs methods.
- Created dashboard configuration management with GetDashboardConfig and SetDashboardConfig methods.
- Added new tables for dashboard_audit_log and dashboard_config in both MySQL and SQLite migrations.
- Updated CMakeLists to include Crow and ASIO for dashboard server functionality.
- Enhanced existing database classes to support new dashboard features, including character, play key, and property management.
- Added new methods for retrieving and managing play keys, properties, and pet names.
- Updated TestSQLDatabase to include stubs for new dashboard-related methods.
- Modified shared and dashboard configuration files for new settings.

migrations/dlu/sqlite/10_dashboard.sql

@@ -0,0 +1,19 @@
+CREATE TABLE IF NOT EXISTS dashboard_audit_log (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    timestamp INTEGER NOT NULL,
+    ip_address TEXT NOT NULL,
+    endpoint TEXT NOT NULL,
+    method TEXT NOT NULL,
+    user_agent TEXT,
+    response_code INTEGER NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS dashboard_config (
+    config_key TEXT PRIMARY KEY,
+    config_value TEXT NOT NULL
+);
+
+INSERT OR IGNORE INTO dashboard_config (config_key, config_value) VALUES ('rate_limit_enabled', '1');
+INSERT OR IGNORE INTO dashboard_config (config_key, config_value) VALUES ('rate_limit_requests', '100');
+INSERT OR IGNORE INTO dashboard_config (config_key, config_value) VALUES ('rate_limit_window', '60');
+INSERT OR IGNORE INTO dashboard_config (config_key, config_value) VALUES ('audit_retention_days', '90');