Allow multiple types in JSON schema docs tool (#3126)

* allow multiple types in JSON schema docs tool

* support pattern

* support pattern

modules/vpc-sc/schemas/access-level.schema.md

@@ -41,3 +41,4 @@
 
 ## Definitions
 
+

modules/vpc-sc/schemas/egress-policy.schema.md

@@ -15,6 +15,7 @@
     <br>*enum: ['IDENTITY_TYPE_UNSPECIFIED', 'ANY_IDENTITY', 'ANY_USER_ACCOUNT', 'ANY_SERVICE_ACCOUNT', '']*
   - **identities**: *array*
     - items: *string*
+      <br>*pattern: ^(?:serviceAccount:|user:|group:|principal:)*
   - **resources**: *array*
     - items: *string*
 - ⁺**to**: *object*
@@ -36,3 +37,4 @@
 
 ## Definitions
 
+

modules/vpc-sc/schemas/ingress-policy.schema.md

@@ -32,3 +32,4 @@
 
 ## Definitions
 
+

modules/vpc-sc/schemas/perimeters.schema.md

@@ -7,7 +7,7 @@
 *additional properties: false*
 
 - **description**: *string*
-- **title**: *string*
+- **ignore_resource_changes**: *boolean*
 - **spec**: *object*
   <br>*additional properties: false*
   - **access_levels**: *array*
@@ -34,6 +34,7 @@
   - **restricted_services**: *array*
     - items: *string*
   - **vpc_accessible_services**: *reference([VpcAccessibleServices](#refs-VpcAccessibleServices))*
+- **title**: *string*
 - **use_explicit_dry_run_spec**: *boolean*
 
 ## Definitions
@@ -42,4 +43,4 @@
   <br>*additional properties: false*
   - ⁺**allowed_services**: *array*
     - items: *string*
-  - **enable_restriction**: *boolean*
+  - **enable_restriction**: *boolean*