add docs

_build/.doctrees/api/core/core_objects.doctree

_build/.doctrees/api/core/model.doctree

_build/.doctrees/api/core/sim_config.doctree

_build/.doctrees/api/interaction_potentials/ibi.doctree

....doctrees/api/interaction_potentials/interactions.doctree

.../.doctrees/api/polymer_modeling/fjc_polymer_model.doctree

.../.doctrees/api/polymer_modeling/hps_polymer_model.doctree

...d/.doctrees/api/polymer_modeling/kh_polymer_model.doctree

_build/.doctrees/api/polymer_modeling/mpipi_polymer.doctree

....doctrees/api/polymer_modeling/onck_polymer_model.doctree

_build/.doctrees/api/polymer_modeling/polymer.doctree

....doctrees/api/polymer_modeling/sali_polymer_model.doctree

_build/.doctrees/api/polymer_modeling/ssdna_two_bead.doctree

...octrees/api/rigidbody_models/mesh_process_surface.doctree

...doctrees/api/rigidbody_models/mesh_process_volume.doctree

_build/.doctrees/api/rigidbody_models/mesh_rigidbody.doctree

_build/.doctrees/api/rigidbody_models/simplearbd.doctree

....doctrees/api/rigidbody_models/structure_from_pdb.doctree

...doctrees/api/rigidbody_models/structure_rigidbody.doctree

_build/.doctrees/api/shape-based_models/shape_cg.doctree