Add Serialized SSH Administrative Console

src/admin_command_gate.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-3.0-only */
+/* Serializes trusted UART0 and authenticated SSH administrative mutations. */
+
+#pragma once
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+esp_err_t admin_command_gate_take(void);
+void admin_command_gate_give(void);
+
+#ifdef __cplusplus
+}
+#endif