- Implemented support for range stepping with GDB (vCont... packets)

- Refactored some bits of the generic GDB server class, along with the AVR-specific implementation

src/DebugServer/Gdb/AvrGdb/CommandPackets/VContSupportedActionsQuery.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <string>
+#include <set>
+
+#include "src/DebugServer/Gdb/CommandPackets/CommandPacket.hpp"
+
+namespace DebugServer::Gdb::AvrGdb::CommandPackets
+{
+    /**
+     * The VContSupportedActionsQuery command packet is a query from the GDB client, requesting a list of vCont actions
+     * supported by the server.
+     *
+     * Responses to this command packet should take the form of a ResponsePackets::SupportedFeaturesResponse.
+     */
+    class VContSupportedActionsQuery: public Gdb::CommandPackets::CommandPacket
+    {
+    public:
+        explicit VContSupportedActionsQuery(const RawPacket& rawPacket);
+
+        void handle(
+            Gdb::DebugSession& debugSession,
+            Services::TargetControllerService& targetControllerService
+        ) override;
+    };
+}