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

---------

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

modules/dns-response-policy/variables.tf

@@ -27,6 +27,15 @@ variable "description" {
   default     = "Terraform managed."
 }
 
+variable "factories_config" {
+  description = "Path to folder containing rules data files for the optional factory."
+  type = object({
+    rules = optional(string)
+  })
+  nullable = false
+  default  = {}
+}
+
 variable "name" {
   description = "Policy name."
   type        = string
@@ -64,9 +73,3 @@ variable "rules" {
   default  = {}
   nullable = false
 }
-
-variable "rules_file" {
-  description = "Optional data file in YAML format listing rules that will be combined with those passed in via the `rules` variable."
-  type        = string
-  default     = null
-}