feat(lanelet2_extension): add util/visualization of BusStopArea

[soblin]

Description

add functions to

• visualize BusStopArea
  

• query BusStopArea

Related links

Tests performed

tested using this map
https://github.com/autowarefoundation/autoware.universe/tree/main/planning/behavior_path_planner/autoware_behavior_path_planner_common/test_map/road_shoulder

Notes for reviewers

Interface changes

Effects on system behavior

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 42 lines in your changes missing coverage. Please review.

Project coverage is 16.24%. Comparing base (9676d45) to head (9a652e3).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
autoware_lanelet2_extension/lib/visualization.cpp	0.00%	35 Missing ⚠️
autoware_lanelet2_extension/lib/query.cpp	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #28      +/-   ##
==========================================
- Coverage   16.48%   16.24%   -0.25%     
==========================================
  Files          42       42              
  Lines        2808     2850      +42     
  Branches     1371     1392      +21     
==========================================
  Hits          463      463              
- Misses       2252     2294      +42     
  Partials       93       93              

Flag	Coverage Δ		*Carryforward flag
differential	16.24% <0.00%> (-0.51%)	⬇️
total	16.48% <ø> (ø)		Carriedforward from 07a7530

*This pull request uses carry forward flags. Click here to find out more.

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[kosuke55]

Suggested change

	for (auto tri : triangles) {
	for (const auto & tri : triangles) {

?