generate kcl examples in docs from macro (#1710)

* rearrange

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* examples

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* fix tests

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* recast

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* updates

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* add more tests

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* fixups

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* add more samples

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* more docs

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* more

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* more samples

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* more

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* fixups

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* fixups

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* fixes

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* make serial

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* fix hang

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* fix import

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* updates

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* fixes

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* atan

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* atan

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* updates

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* fixes

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* fixes

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* make all tests pass

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* fix docs

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* fixes

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* must have code balock

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* updates

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* new docs

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* fix

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* fix docs

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* new docs

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---------

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src/wasm-lib/tests/executor/main.rs

@@ -1,5 +1,4 @@
 use anyhow::Result;
-use kcl_lib::engine::EngineManager;
 
 /// Executes a kcl program and takes a snapshot of the result.
 /// This returns the bytes of the snapshot.