fix(docs): Add Python documentation for algorithm methods (#278) #1290

Job	Run time
Check rust formatting	14s
Check python formatting	7s
Fetch or Build OpenFST (ubuntu-latest)	8s
Fetch or Build OpenFST (macos-13)	14s
rust-clippy	19s
rust-doc	22s
python-doc	57s
rustfst-python (ubuntu-latest)	47s
rustfst-python-bench	2m 19s
rustfst-python (macos-13)	1m 21s
rust-tests (1.74.0, ubuntu-latest, --all --benches --examples --bins --tests)	2m 18s
rust-tests (1.74.0, ubuntu-latest, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	2m 7s
rust-tests (1.74.0, macos-13, --all --benches --examples --bins --tests)	2m 18s
rust-tests (1.74.0, macos-13, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	4m 32s
rust-tests (stable, ubuntu-latest, --all --benches --examples --bins --tests)	1m 52s
rust-tests (stable, ubuntu-latest, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	1m 51s
rust-tests (stable, macos-13, --all --benches --examples --bins --tests)	4m 10s
rust-tests (stable, macos-13, --manifest-path rustfst/Cargo.toml --features "state-label-u32")	4m 14s
Publish rustfst-python's doc	57s
Publish Rust Crate to Crates.io	0s
Publish Python Wheels to PyPI	0s
	31m 7s

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