Add an empty hidden module in model

Author: jamillambert

types/src/model/hidden.rs

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: CC0-1.0
+
+//! Types for methods that are `== Hidden ==` and not in the API docs of Bitcoin Core.
+//!
+//! These structs model the types returned by the JSON-RPC API but have concrete types
+//! and are not specific to a specific version of Bitcoin Core.

types/src/model/mod.rs

@@ -11,6 +11,7 @@
 mod blockchain;
 mod control;
 mod generating;
+mod hidden;
 mod mining;
 mod network;
 mod raw_transactions;