docs(goal_planner): update README

[soblin]

Description

update the document

Related links

Parent Issue:

• Link

How was this PR tested?

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware.universe/pr-10263/
Modified URLs:

• https://autowarefoundation.github.io/autoware.universe/pr-10263/planning/behavior_path_planner/autoware_behavior_path_goal_planner_module/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 26.23%. Comparing base (8ae942f) to head (211af20).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10263      +/-   ##
==========================================
- Coverage   26.23%   26.23%   -0.01%     
==========================================
  Files        1378     1378              
  Lines      107490   107528      +38     
  Branches    41444    41442       -2     
==========================================
+ Hits        28199    28208       +9     
- Misses      76465    76498      +33     
+ Partials     2826     2822       -4     

Flag	Coverage Δ		*Carryforward flag
differential	0.31% <ø> (?)
total	26.24% <ø> (+0.01%)	⬆️	Carriedforward from 8ae942f

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

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[kosuke55]

this is PR is reopen of #10084

[kosuke55]

only minor commnet, but LGTM