Bug/fix rcmd check

[arunge]

BMSC version 24.09.1

Bugfixes

• fix issues with RCMD check (#8)

[arunge]

@mgross Please check this comment: https://github.com/Pandora-IsoMemo/bmsc/issues/8#issuecomment-2363645457

[jan-abel-inwt]

https://github.com/Pandora-IsoMemo/bmsc/issues/8#issuecomment-2363627061

Can we already remove all the content of the src folder? Or is there something missing?

@arunge i removed the content of the src folder. We now only "track" the empty directory. I also updated the installation instruction in the Readme

[jan-abel-inwt]

• [x] add r-cmd check - see https://github.com/Pandora-IsoMemo/docs/issues/12
• [x] add online doc - see https://github.com/Pandora-IsoMemo/docs/issues/11