feat: add polaris router lane examples

[fuyuwei01]

PR Type

Describe what this PR does for and how you did.

Adding the issue link (#xxx) if possible.

Note

Checklist

• Add information of this PR to CHANGELOG.md in root of project.
• Add documentation in javadoc or comment below the PR if necessary.

Checklist (Optional)

• Will pull request to branch of 2023.
• Will pull request to branch of 2022.
• Will pull request to branch of 2021.
• Will pull request to branch of 2020.
• Will pull request to branch of hoxton.

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.88%. Comparing base (3606712) to head (5536ba4).

Files	Patch %	Lines
...ent/cloud/polaris/router/RouterConfigModifier.java	88.88%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               2020    #1379      +/-   ##
============================================
+ Coverage     77.85%   77.88%   +0.02%     
  Complexity        2        2              
============================================
  Files           270      270              
  Lines          5989     6000      +11     
  Branches        717      718       +1     
============================================
+ Hits           4663     4673      +10     
  Misses          940      940              
- Partials        386      387       +1     

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