ir-sim-v2.8.2

• Features #183 by @hfr2015 :

  • Add group_name YAML parameter to help user manage the objects in the same group.
  • Add show_goal_text YAML parameter to decide whether to show the goal text on the plot.
  • Add get_group_by_name function to get the objects in the same group by the group name.
  • Update related documentation

• Fix:

  • Fix Group ID parameter conflict issue #180 #183 by @hfr2015
  • Fix group behavior warning issue e8ca7df