Creating F formations in `pedsim`

pedsim_formations.md

1. Install the required software;

• pedsim_ros, see https://github.com/srl-freiburg/pedsim_ros for instructions

2. Install SRL tracking plugins for rviz https://github.com/srl-freiburg/rviz

   https://github.com/spencer-project/spencer_people_tracking

3. Launch the demo formations

roslaunch pedsim_simulator demo_formations.launch