Refactor repo structure to prepare addition of a Rust recorder #17

Job	Run time
nix-tests	50s
Tests on ubuntu-latest (Python 3.13)	7s
Tests on ubuntu-latest (Python 3.10)	10s
Tests on macos-latest (Python 3.10)	12s
Tests on ubuntu-latest (Python 3.12)	7s
Tests on macos-latest (Python 3.12)	14s
Tests on macos-latest (Python 3.11)	12s
Tests on ubuntu-latest (Python 3.11)	7s
Tests on windows-latest (Python 3.13)	28s
Rust module smoke test on ubuntu-latest (Python 11)	4s
Tests on windows-latest (Python 3.12)	27s
Tests on windows-latest (Python 3.10)	26s
Tests on macos-latest (Python 3.13)	13s
Rust module smoke test on ubuntu-latest (Python 10)	5s
Tests on windows-latest (Python 3.11)	32s
Rust module smoke test on macos-latest (Python 11)	8s
Rust module smoke test on ubuntu-latest (Python 12)	5s
Rust module smoke test on macos-latest (Python 10)	5s
Rust module smoke test on macos-latest (Python 13)	8s
Rust module smoke test on macos-latest (Python 12)	1s
Rust module smoke test on ubuntu-latest (Python 13)	6s
Rust module smoke test on windows-latest (Python 10)	7s
Rust module smoke test on windows-latest (Python 13)	8s
Rust module smoke test on windows-latest (Python 12)	1s
Rust module smoke test on windows-latest (Python 11)	1s
	5m 4s

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