* feat: support Zone-Based Firewalls
* chore: add usage example of zone-based firewall
* chore: add note to readme to support unifi controller v2
* fix: invalid path for reordering firewall zone policies
* feat: generate fields validation and use it when issuing requests to API with soft (default) or hard modes
* chore: apply linter fixes
* feat: enable field validation on int fields
* feat: add validation for ^[\w]+$ fields
* feat: add validation for MAC address fields
* fix: trim wrappers for all comments
* feat: add validation for IPv4, IPv6 and IP(IPv4/IPv6) fields
* feat: add validation for numeric, non-zero based fields
* fix: one of validation can contain dot (.) sign in values
* feat: add second notation of MAC address validation
* fix: one of validation can start with ^( and end with )$
* feat: add option to disable validation and use soft validation by default
* chore: fix test
* docs: add readme about client-side validation
