Add fuel tank status report support

* Adds support to DroneCAN FuelTankStatus messages
* Adds fuel_tank_status uORB message
* Adds FUEL_STATUS MAVLink stream
* Adds parameter to define max fuel tank capacity

src/modules/mavlink/streams/FUEL_STATUS.hpp

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+/****************************************************************************
+ *
+ *   Copyright (c) 2024 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
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+ *
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+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
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+ *    used to endorse or promote products derived from this software
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ ****************************************************************************/
+
+#ifndef FUEL_STATUS_HPP
+#define FUEL_STATUS_HPP
+
+#include <uORB/topics/fuel_tank_status.h>
+
+class MavlinkStreamFuelStatus : public MavlinkStream
+{
+public:
+	static MavlinkStream *new_instance(Mavlink *mavlink) { return new MavlinkStreamFuelStatus(mavlink); }
+
+	static constexpr const char *get_name_static() { return "FUEL_STATUS"; }
+	static constexpr uint16_t get_id_static() { return MAVLINK_MSG_ID_FUEL_STATUS; }
+
+	const char *get_name() const override { return MavlinkStreamFuelStatus::get_name_static(); }
+	uint16_t get_id() override { return get_id_static(); }
+
+	unsigned get_size() override
+	{
+		return _fuel_tank_status_sub.advertised() ? MAVLINK_MSG_ID_FUEL_STATUS_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES : 0;
+	}
+
+private:
+	explicit MavlinkStreamFuelStatus(Mavlink *mavlink) : MavlinkStream(mavlink) {}
+
+	uORB::Subscription _fuel_tank_status_sub{ORB_ID(fuel_tank_status)};
+
+	bool send() override
+	{
+		fuel_tank_status_s fuel_status;
+
+		if (_fuel_tank_status_sub.update(&fuel_status)) {
+			mavlink_fuel_status_t msg{};
+
+			msg.id = fuel_status.fuel_tank_id;
+			msg.maximum_fuel = fuel_status.maximum_fuel_capacity;
+			msg.consumed_fuel = fuel_status.consumed_fuel;
+			msg.remaining_fuel = fuel_status.remaining_fuel;
+			msg.percent_remaining = fuel_status.percent_remaining;
+			msg.flow_rate = fuel_status.fuel_consumption_rate;
+			msg.temperature = fuel_status.temperature;
+			msg.fuel_type = fuel_status.fuel_type;
+
+			mavlink_msg_fuel_status_send_struct(_mavlink->get_channel(), &msg);
+
+			return true;
+		}
+
+		return false;
+	}
+
+};
+
+#endif // FUEL_STATUS_HPP