* Add argument parser for device parameter and update device selection

* Change rosnode argument name to be consistent with other nodes

* Add argument parser and update default value of rgb and depth image inputs, update docstring

* rgbd_hand_gesture_recognition.py

* Update projects/opendr_ws/src/perception/scripts/rgbd_hand_gesture_recognition.py

Modify queue size to avoid delays

Co-authored-by: Kostas Tsampazis <27914645+tsampazk@users.noreply.github.com>

* Change gesture topic parameter name

* Add blank lines and use double-quotes for docstring

* Fix wrong arguments name in docstring in preprocess method

* Change argument name in callback method

* Add an argument for output topic name

* Update output topic

* Fix docstring in preprocess method

Co-authored-by: Kostas Tsampazis <27914645+tsampazk@users.noreply.github.com>