Merged in NRRPLT-8242-fix-docstrings (pull request #31)

[NRRPLT-8242] Fix docstrings

look for missing empty line
^( +)\w.*$\n\1:
look for missing descr indent
^( +)(:.*)$\n\1\w
look for missing :
^ +:\w+ [^:]+$

Approved-by: Ugo Albanese
Approved-by: Eloy Retamino