python rtcds: moved and renamed

src/python/rtcds/__init__.py

src/python/rtcds/fe_generator/README.md

src/python/rtcds/fe_generator/__init__.py

src/python/rtcds/fe_generator/cdsrfm.py

src/python/rtcds/fe_generator/fe_generator

src/python/rtcds/fe_generator/front_end.py

src/python/rtcds/fe_generator/log.py

src/python/rtcds/fe_generator/main.py

src/python/rtcds/fe_generator/options.py

src/python/rtcds/fe_generator/sequencer.py