add sphinx skeleton

impute_jass/doc/Makefile

impute_jass/doc/make.bat

...c/source/_autosummary/impute_jass.imputation_launcher.rst

...te_jass/doc/source/_autosummary/impute_jass.ld_matrix.rst

..._jass/doc/source/_autosummary/impute_jass.stat_models.rst

impute_jass/doc/source/_autosummary/impute_jass.windows.rst

impute_jass/doc/source/conf.py

impute_jass/doc/source/index.rst

impute_jass/impute_jass/__init__.py

impute_jass/setup.py