diff --git a/playground/.gitignore b/playground/pkce/.gitignore
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diff --git a/playground/README.md b/playground/pkce/README.md
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diff --git a/playground/bun.lock b/playground/pkce/bun.lock
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diff --git a/playground/package.json b/playground/pkce/package.json
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diff --git a/playground/src/PKCEDowngradeExpress.js b/playground/pkce/src/PKCEDowngradeExpress.js
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diff --git a/playground/tsconfig.json b/playground/pkce/tsconfig.json
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