Factories refactor (#1843)

* factories refactor doc

* Adds file schema and filesystem organization

* Update 20231106-factories.md

* move factories out of blueprints and create new factories  README

* align factory in billing-account module

* align factory in dataplex-datascan module

* align factory in billing-account module

* align factory in net-firewall-policy module

* align factory in dns-response-policy module

* align factory in net-vpc-firewall module

* align factory in net-vpc module

* align factory variable names in FAST

* remove decentralized firewall blueprint

* bump terraform version

* bump module versions

* update top-level READMEs

* move project factory to modules

* fix variable names and tests

* tfdoc

* remove changelog link

* add project factory to top-level README

* fix cludrun eventarc diff

* fix README

* fix cludrun eventarc diff

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Co-authored-by: Simone Ruffilli <sruffilli@google.com>

modules/README.md

@@ -39,6 +39,10 @@ These modules are used in the examples included in this repository. If you are u
 - [Project](./project)
 - [Projects (data source)](./projects-data-source)
 
+## Process factories
+
+- [Project factory](./project-factory/)
+
 ## Networking modules
 
 - [Address reservation](./net-address)