making install location package specific

[marcoag]

Bug fix

Fixed bug

Fixes open-rmf/rmf#100.

Fix applied

Changes install location to lib/<package_name> to avoid conflicts among libraries named the same.

[codecov]

Codecov Report

Merging #60 (a84fe36) into main (7e80608) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             main     #60      +/-   ##
=========================================
  Coverage    0.00%   0.00%              
=========================================
  Files        1062     138     -924     
  Lines      101843   12845   -88998     
=========================================
+ Misses     101843   12845   -88998     

Flag	Coverage Δ
tests	0.00% <ø> (ø)

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Impacted Files	Coverage Δ
...on/include/rmf_robot_sim_common/slotcar_common.hpp
...lding_sim_ignition_plugins/src/crowd_simulator.cpp
...on_plugins/src/toggle_charging/toggle_charging.cpp
...uilding_sim_gazebo_plugins/src/crowd_simulator.hpp
...uilding_sim_gazebo_plugins/src/toggle_charging.cpp
...ion/rmf_robot_sim_ignition_plugins/src/slotcar.cpp
...rmf_building_sim_common/crowd_simulator_common.hpp
...lation/rmf_building_sim_common/src/lift_common.cpp
...ation/rmf_robot_sim_common/src/ingestor_common.cpp
...ion/rmf_building_sim_ignition_plugins/src/lift.cpp
... and 1178 more