What's Changed
* support spinless orbital rotation by kevinsung in https://github.com/qiskit-community/ffsim/pull/210
* support spinless states by kevinsung in https://github.com/qiskit-community/ffsim/pull/211
* support spinless diag coulomb evo by kevinsung in https://github.com/qiskit-community/ffsim/pull/212
* support spinless num op sum evo by kevinsung in https://github.com/qiskit-community/ffsim/pull/214
* add support for some spinless basic gates by kevinsung in https://github.com/qiskit-community/ffsim/pull/216
* add spinless support to qiskit module by kevinsung in https://github.com/qiskit-community/ffsim/pull/218
* add spinless UCJ operator by kevinsung in https://github.com/qiskit-community/ffsim/pull/219
* implement apply_num_interaction using apply_num_op_sum by kevinsung in https://github.com/qiskit-community/ffsim/pull/221
* move one_hot to linalg module by kevinsung in https://github.com/qiskit-community/ffsim/pull/223
* handle notimplemented in apply unitary protocol by kevinsung in https://github.com/qiskit-community/ffsim/pull/225
* use spinless code in multireference by kevinsung in https://github.com/qiskit-community/ffsim/pull/224
* support spinless num-num, hop, fsim gates by kevinsung in https://github.com/qiskit-community/ffsim/pull/226
* merge orbital rotations in df trotter by kevinsung in https://github.com/qiskit-community/ffsim/pull/233
* Merge orbital rotations for UCJ operator apply unitary by kevinsung in https://github.com/qiskit-community/ffsim/pull/234
**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.35...v0.0.36