JSON schema documentation tool (#3070)

* wip

* wip

* wip

* generate schema docs

* formatting

* typo

* fix details

* fix details

* revert dp change

* tfdoc

modules/net-vpc/schemas/subnet.schema.md

@@ -0,0 +1,64 @@
+# Subnet
+
+<!-- markdownlint-disable MD036 -->
+
+## Properties
+
+*additional properties: false*
+
+- **active**: *boolean*
+- **description**: *string*
+- **enable_private_access**: *boolean*
+- **allow_subnet_cidr_routes_overlap**: *boolean*
+- **flow_logs_config**: *object*
+  <br>*additional properties: false*
+  - **aggregation_interval**: *string*
+  - **filter_expression**: *string*
+  - **flow_sampling**: *number*
+  - **metadata**: *string*
+  - **metadata_fields**: *array*
+    - items: *string*
+- **global**: *boolean*
+- ⁺**ip_cidr_range**: *string*
+- **ipv6**: *object*
+  <br>*additional properties: false*
+  - **access_type**: *string*
+- **name**: *string*
+- ⁺**region**: *string*
+- **psc**: *boolean*
+- **proxy_only**: *boolean*
+- **secondary_ip_ranges**: *object*
+  *additional properties: String*
+- **iam**: *reference([iam](#refs-iam))*
+- **iam_bindings**: *reference([iam_bindings](#refs-iam_bindings))*
+- **iam_bindings_additive**: *reference([iam_bindings_additive](#refs-iam_bindings_additive))*
+
+## Definitions
+
+- **iam**<a name="refs-iam"></a>: *object*
+  <br>*additional properties: false*
+  - **`^roles/`**: *array*
+    - items: *string*
+- **iam_bindings**<a name="refs-iam_bindings"></a>: *object*
+  <br>*additional properties: false*
+  - **`^[a-z0-9_-]+$`**: *object*
+    <br>*additional properties: false*
+    - **members**: *array*
+      - items: *string*
+    - **role**: *string*
+    - **condition**: *object*
+      <br>*additional properties: false*
+      - ⁺**expression**: *string*
+      - ⁺**title**: *string*
+      - **description**: *string*
+- **iam_bindings_additive**<a name="refs-iam_bindings_additive"></a>: *object*
+  <br>*additional properties: false*
+  - **`^[a-z0-9_-]+$`**: *object*
+    <br>*additional properties: false*
+    - **member**: *string*
+    - **role**: *string*
+    - **condition**: *object*
+      <br>*additional properties: false*
+      - ⁺**expression**: *string*
+      - ⁺**title**: *string*
+      - **description**: *string*