Add target_node and minor fixes (#389)

* Add separate BQ tables per asset type

* Add missing BQ location

* Add missing CF region

* Change Scheduler job to non-generic

* Add target_node, pass tests

* Do tfdoc.py

* Do terraform fmt

* Do terraform fmt -recursive for tests' fixtures

* Fix typo in test's variables

tests/cloud_operations/scheduled_asset_inventory_export_bq/fixture/variables.tf

@@ -19,12 +19,14 @@ variable "billing_account" {
 
 variable "cai_config" {
   type = object({
-    bq_dataset = string
-    bq_table   = string
+    bq_dataset  = string
+    bq_table    = string
+    target_node = string
   })
   default = {
-    bq_dataset = "my-dataset"
-    bq_table   = "my_table"
+    bq_dataset  = "my-dataset"
+    bq_table    = "my_table"
+    target_node = "organization/1234567890"
   }
 }