Add forward declarations header and refactor includes#194

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matthew-mccall wants to merge 2 commits intoopen-algebra:masterfrom

matthew-mccall:feature-fwddecl

Commits on Dec 10, 2025

Add forward declarations header and refactor includes
matthew-mccall
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Include `Concepts.hpp` in `FwdDecls.hpp` and add missing `<expected>` dependency in `Concepts.hpp`
matthew-mccall
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