chore(v2): clean examples

[jeromevdl]

Issue #, if available:

Description of changes:

change names of the core examples + clean pom files

Checklist

• Meet tenets criteria
• Update tests
• Update docs
• PR title follows conventional commit semantics

Breaking change checklist

RFC issue #:

• Migration process documented
• Implement warnings (if it can live side by side)

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (v2@b05a16c). Click here to learn what that means.

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Additional details and impacted files

@@          Coverage Diff          @@
##             v2    #1495   +/-   ##
=====================================
  Coverage      ?   78.01%           
  Complexity    ?      610           
=====================================
  Files         ?       80           
  Lines         ?     2406           
  Branches      ?      258           
=====================================
  Hits          ?     1877           
  Misses        ?      447           
  Partials      ?       82           

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