Adding loop-sel node executor.

doc/wsl2.md

+# Notes about using Windows and WSL2
+
+
+## Windows
+
+Windows desktop docker and WSL2 and Ubuntu with ros needs to be installed.
+
+### ROS
+
+We recommend that you install ROS in WSL2 Ubuntu in Windows. See:
+
+https://jack-kawell.com/2020/06/12/ros-wsl2/
+
+Make sure that X is working and that rviz can be started.
+
+### Ubuntu (WSL2) - SSH
+
+In Ubuntu do:
+```bash
+sudo apt install openssh-server
+ssh-keygen
+cd /etc/ssh
+sudo ssh-keygen -A
+cd
+# set password authentication to on in /etc/ssh/sshd_config
+sudo service ssh start
+```
+
+The server needs to be started for ansible installation.
+
+The follow the setup for SSH in: https://gitlab.liu.se/lrs/lrs_devenv_common/-/blob/master/doc/install_playbooks.md#setting-up-ssh
+
+### Docker on Windows
+
+Follow the instructions here:
+
+https://docs.docker.com/docker-for-windows/wsl/
+
+In an Ubuntu shell install docker.io:
+```bash
+sudo apt install docker.io
+```
+
+Then after starting the docker server from the desktop app you can do:
+```bash
+docker ps
+```
+
+### Setup
+
+Additional packages:
+```bash
+sudo apt install python3-vcstool python3-catkin-tools python3-osrf-pycommon ros-noetic-geographic-msgs python3-pyproj ansible mosquitto-clients ros-noetic-nmea-msgs
+```
+
+jsoncons:
+```bash
+cd /opt
+sudo git clone https://github.com/danielaparker/jsoncons.git
+```
+
+Ansible:
+```bash
+mkdir src
+cd src
+git clone https://gitlab.liu.se/lrs/lrs_playbooks.git
+cd lrs_playbooks
+```
+
+Ansible command:
+```bash
+ansible-playbook -i hosts playbooks/wara_develop.yml -e user=${USER} -e install_user=${USER} -e ansible_sudo_pass=****** --tags packages,djisdk,paho,copyimage,lrs_devenv_common,repos,sdk,warabuild
+```
+
+Set up path and other stuff according to:
+
+https://gitlab.liu.se/lrs/lrs_devenv_common/-/blob/master/doc/install_playbooks.md#finishing-up