First, Follow the tutorial for installing MoveIt. Then, create your own ros2 workspace:
mkdir -p ~/ros2_ws/src
cd ~/ros2_ws/src
Clone this repository and build the package
git clone https://github.com/danielemorra98/custom_panda_moveit.git
colcon build
To launch the moveIt and RViz nodes:
ros2 launch custom_panda_moveit panda.launch.py