fix(docs): Add Python documentation for algorithm methods #1273

Job	Run time
Check python formatting	10s
Check rust formatting	18s
Fetch or Build OpenFST (ubuntu-latest)	13s
Fetch or Build OpenFST (macos-13)	12s
rust-clippy	27s
rustfst-python (ubuntu-latest)	59s
rust-doc	18s
rustfst-python (macos-13)	1m 1s
rustfst-python-bench	2m 42s
python-doc	41s
rust-tests (1.74.0, ubuntu-latest, --all --benches --examples --bins --tests)	2m 5s
rust-tests (1.74.0, ubuntu-latest, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	2m 6s
rust-tests (1.74.0, macos-13, --all --benches --examples --bins --tests)	2m 47s
rust-tests (1.74.0, macos-13, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	2m 5s
rust-tests (stable, ubuntu-latest, --all --benches --examples --bins --tests)	1m 54s
rust-tests (stable, ubuntu-latest, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	2m 4s
rust-tests (stable, macos-13, --all --benches --examples --bins --tests)	2m 53s
rust-tests (stable, macos-13, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	2m 14s
Publish Python Wheels to PyPI	0s
Publish Rust Crate to Crates.io	0s
Publish rustfst-python's doc	0s
	25m 9s

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