Add animation usage examples in multiple languages

[222448082Ashen]

Description

Category: animations

What this PR adds: Updated existing Animations usage examples with real resources and screenshots, plus added missing example sets required by the generated API documentation. All examples now reference actual animation scripts from BasicAnimationResources.zip in the repo.

Type of change

• Bug fix (non-breaking change which fixes incorrect/missing resources)
• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Updated 6 existing examples to use real animation resources (kermit.txt, explosion.txt) from public/resources/guides/animation/basics/BasicAnimationResources.zip
• Generated real output screenshots (PNG files) for all 9 animation examples
• Successfully ran npm run build with all examples integrated
• Verified Animations API page generation includes all examples with screenshots

Testing Checklist

• npm run build (completes successfully, regenerates API MDX pages)
• npm run dev (local preview confirms Animations page renders with screenshots)
• All example files follow repo conventions (C++, C# top-level, C# OOP, Python, .txt, output image)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• Examples reference valid resources and produce accurate output
• My changes generate no new warnings

Files Modified/Added

Updated Examples (under public/usage-examples/animations/):

• load_animation_script-1-example.* - Now loads kermit.txt with proper resource notes
• create_animation-1-example.* - Uses kermit.txt and WalkFront animation
• update_animation-1-example.* - Updated with real resource and formatted output
• animation_entered_frame-1-example.* - Uses kermit.txt, formatted bool output
• animation_frame_time-1-example.* - Updated resource reference and output format
• animation_ended-1-example.* - Uses explosion.txt (non-looping animation scenario)

New Examples Added (under public/usage-examples/animations/):

• free_animation-1-example.* (6 files: C++, C# top-level, C# OOP, Python, .txt, .png)
• free_animation_script-1-example.* (6 files)
• restart_animation-1-example.* (6 files)

Generated Output Images (PNG screenshots for all 9 examples):

• Real screenshots generated from animation resources (frog sprite cells, explosion sprite)
• File sizes ~29KB–66KB (non-placeholder images)

Additional Notes

• All examples now reference existing bundled resources: public/resources/guides/animation/basics/BasicAnimationResources.zip
• Examples use script names WalkingScript with animation WalkFront (from kermit.txt) and ExplosionScript with explosion (from explosion.txt)
• Each example .txt file includes download instructions pointing to /resources/guides/animation/basics/BasicAnimationResources.zip
• The API page generation script successfully imports and renders all examples with screenshots

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