Target driver passthrough commands

Added `pm` commands to manage the program mode of WCH targets

src/TargetController/Responses/ResponseTypes.hpp

@@ -17,5 +17,6 @@ namespace TargetController::Responses
         TARGET_STACK_POINTER,
         TARGET_PROGRAM_COUNTER,
         PROGRAM_BREAKPOINT,
+        TARGET_PASSTHROUGH_RESPONSE,
     };
 }

src/TargetController/Responses/TargetPassthroughResponse.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <optional>
+
+#include "Response.hpp"
+
+#include "src/Targets/PassthroughResponse.hpp"
+
+namespace TargetController::Responses
+{
+    class TargetPassthroughResponse: public Response
+    {
+    public:
+        static constexpr ResponseType type = ResponseType::TARGET_PASSTHROUGH_RESPONSE;
+
+        std::optional<Targets::PassthroughResponse> response;
+
+        explicit TargetPassthroughResponse(std::optional<Targets::PassthroughResponse>&& response)
+            : response(std::move(response))
+        {}
+
+        [[nodiscard]] ResponseType getType() const override {
+            return TargetPassthroughResponse::type;
+        }
+    };
+}