* refactor module interface
* hierarchical attachment and example
* hierarchical rules and TODO
* split rules resources
* additional fields
* keep using a single resource for rules
* factory
* factory test
* boilerplate
* Prefix ingress and egress rule ids
* Tests for other firewall policy types
* Fix rule id and names
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Co-authored-by: Julio Castillo <jccb@google.com>
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