[client,management] add netflow support to client and update management (#3414)

adds NetFlow functionality to track and log network traffic information between peers, with features including:

- Flow logging for TCP, UDP, and ICMP traffic
- Integration with connection tracking system
- Resource ID tracking in NetFlow events
- DNS and exit node collection configuration
- Flow API and Redis cache in management
- Memory-based flow storage implementation
- Kernel conntrack counters and userspace counters
- TCP state machine improvements for more accurate tracking
- Migration from net.IP to netip.Addr in the userspace firewall

management/server/integrations/extra_settings/manager.go

@@ -0,0 +1,12 @@
+package extra_settings
+
+import (
+	"context"
+
+	"github.com/netbirdio/netbird/management/server/types"
+)
+
+type Manager interface {
+	GetExtraSettings(ctx context.Context, accountID string) (*types.ExtraSettings, error)
+	UpdateExtraSettings(ctx context.Context, accountID, userID string, extraSettings *types.ExtraSettings) (bool, error)
+}