refactor: ctoken sdk builder instructions

[ananas-block]

stacked on #2065

Changes:

• add ctoken instructions and tests for those

[coderabbitai]

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch jorrit/refactor-ctoken-sdk-builder-instructions

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[ananas-block]

replaced by #2069