Add refraction correction and new plot to realtime pipeline

[peijin94]

Use --do_refra to activate the feature.

Will create a fits file of level 1.5 "*lv15.fits"

Test run command

python solar_realtime_pipeline.py '2024-03-13T19:50' \
     --nodes 1 --proc_dir '/data07/peijinz/realtimepipetest/' \
     --save_dir '/data07/peijinz/realtimepipetest/save/' \
     --logger_file '/data07/peijinz/realtimepipetest/test.log' \
     --delay 10 --singlenode --keep_working_fits --do_refra ```