POET v0.0.0

First tagged release of POET.

Header-only C++17/20/23 library for compile-time-dispatched loop unrolling and parameterized dispatch (static_for, dynamic_for, function-pointer-array dispatch, register/CPU info APIs).

Versioning: builds from this tag report poet::version_full == "0.0.0"; untagged commits report 0.0.0-dev.N.