* add scaffolding for autogen-ext
* Make it into namespace package
* add uv lock
* add placeholder
* set ext packages
* add to CI
* connect up docs
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Co-authored-by: Ryan Sweet <rysweet@microsoft.com>
Co-authored-by: Jack Gerrits <jack@jackgerrits.com>
Co-authored-by: Jack Gerrits <jackgerrits@users.noreply.github.com>
Eric Zhu