commander: implement external modes and mode executors

src/modules/uxrce_dds_client/dds_topics.yaml

@@ -5,6 +5,15 @@
 #####
 publications:
 
+  - topic: /fmu/out/register_ext_component_reply
+    type: px4_msgs::msg::RegisterExtComponentReply
+
+  - topic: /fmu/out/arming_check_request
+    type: px4_msgs::msg::ArmingCheckRequest
+
+  - topic: /fmu/out/mode_completed
+    type: px4_msgs::msg::ModeCompleted
+
   - topic: /fmu/out/collision_constraints
     type: px4_msgs::msg::CollisionConstraints
 
@@ -29,6 +38,9 @@ publications:
   - topic: /fmu/out/vehicle_control_mode
     type: px4_msgs::msg::VehicleControlMode
 
+  - topic: /fmu/out/vehicle_command_ack
+    type: px4_msgs::msg::VehicleCommandAck
+
   - topic: /fmu/out/vehicle_global_position
     type: px4_msgs::msg::VehicleGlobalPosition
 
@@ -48,6 +60,20 @@ publications:
     type: px4_msgs::msg::VehicleTrajectoryWaypoint
 
 subscriptions:
+  - topic: /fmu/in/register_ext_component_request
+    type: px4_msgs::msg::RegisterExtComponentRequest
+
+  - topic: /fmu/in/unregister_ext_component
+    type: px4_msgs::msg::UnregisterExtComponent
+
+  - topic: /fmu/in/arming_check_reply
+    type: px4_msgs::msg::ArmingCheckReply
+
+  - topic: /fmu/in/mode_completed
+    type: px4_msgs::msg::ModeCompleted
+
+  - topic: /fmu/in/config_control_setpoints
+    type: px4_msgs::msg::VehicleControlMode
 
   - topic: /fmu/in/offboard_control_mode
     type: px4_msgs::msg::OffboardControlMode
@@ -82,6 +108,9 @@ subscriptions:
   - topic: /fmu/in/vehicle_command
     type: px4_msgs::msg::VehicleCommand
 
+  - topic: /fmu/in/vehicle_command_mode_executor
+    type: px4_msgs::msg::VehicleCommand
+
   - topic: /fmu/in/vehicle_trajectory_bezier
     type: px4_msgs::msg::VehicleTrajectoryBezier