Add faraday rotation and tests

...745_SB001_uv_CORRECTED_DATA.MS/SPECTRAL_WINDOW/table.lock

...t_data/L570745_SB001_uv_CORRECTED_DATA.MS/STATE/table.dat

...st_data/L570745_SB001_uv_CORRECTED_DATA.MS/STATE/table.f0

..._data/L570745_SB001_uv_CORRECTED_DATA.MS/STATE/table.info

..._data/L570745_SB001_uv_CORRECTED_DATA.MS/STATE/table.lock

...er/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.dat

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f1

...er/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f1i

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f2

...est_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f2_TSM0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f3

...est_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f3_TSM0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f4

...est_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f4_TSM0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f5

...est_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f5_TSM0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f6

...est_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f6_TSM0

Docker/test_data/L570745_SB001_uv_CORRECTED_DATA.MS/table.f7