add processing of messages via queue

src/camera/camera/camera_controller.py

@@ -2,6 +2,7 @@ import rclpy
 from rclpy.node import Node
 
 from drone_services.srv import TakePicture
+from sensor_msgs.msg import Image
 import os
 from datetime import datetime
 

src/camera/package.xml

@@ -9,6 +9,7 @@
 
     <exec_depend>rclpy</exec_depend>
     <exec_depend>drone_services</exec_depend>
+    <exec_depend>sensor_msgs</exec_depend>
 
     <test_depend>ament_copyright</test_depend>
     <test_depend>ament_flake8</test_depend>