* feat: support pyclass on tuple enums
* cargo fmt
* changelog
* ruff format
* rebase with adaptation for FnArg refactor
* fix class.md from pr comments
* add enum tuple variant getitem implementation
* fmt
* progress toward getitem and len impl on derive pyclass for complex enum tuple
* working getitem and len slots for complex tuple enum pyclass derivation
* refactor code generation
* address PR concerns
- take py from function argument on get_item
- make more general slot def implementation
- remove unnecessary function arguments
- add testcases for uncovered cases including future feature match_args
* add tracking issue
* fmt
* ruff
* remove me
* support match_args for tuple enum
* integrate FnArg now takes Cow
* fix empty and single element tuples
* use impl_py_slot_def for cimplex tuple enum slots
* reverse erroneous doc change
* Address latest comments
* formatting suggestion
* fix :
- clippy beta
- better compile error (+related doc and test)
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Co-authored-by: Chris Arderne <chris@translucent.app>