Merge remote-tracking branch 'refs/remotes/origin/master'

...s_material/docs/api/readers/segmentmodel_from_scadnano.md

docs_ref/mkdocs_material/docs/getting_started.md

docs_ref/mkdocs_material/docs/index.md

docs_ref/mkdocs_material/docs/installation.md

docs_ref/mkdocs_material/docs/packages/arbdmodel.md

docs_ref/mkdocs_material/docs/packages/core.md

docs_ref/mkdocs_material/docs/packages/model.md

docs_ref/mkdocs_material/docs/packages/readers.md

docs_ref/mkdocs_material/docs/tutorials/basic_origami.md

docs_ref/mkdocs_material/docs/tutorials/index.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/coords.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/grid.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/ibi.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/interactions.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/polymer.md

docs_ref/mkdocs_rtd/docs/api/arbdmodel/shape_cg.md

docs_ref/mkdocs_rtd/docs/api/core/arbdmodel.md

docs_ref/mkdocs_rtd/docs/api/core/config.md

docs_ref/mkdocs_rtd/docs/api/core/coords.md

docs_ref/mkdocs_rtd/docs/api/core/reporting.md