chore(examples): improve example templates

[orhun]

Description

This PR does what's promised in the title.

Motivation and Context

I'm building something cool and needed to update the templates.

How Has This Been Tested?

Tested this in the cool thing that I'm building.

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.13%. Comparing base (81854d2) to head (aba9aae).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #835      +/-   ##
==========================================
- Coverage   40.19%   40.13%   -0.06%     
==========================================
  Files          20       20              
  Lines        1645     1645              
==========================================
- Hits          661      660       -1     
- Misses        984      985       +1     

Flag	Coverage Δ
unit-tests	40.13% <ø> (-0.06%)	⬇️

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