Issues in documentation

[Puzzled-Face]

This is a sub-issue. See also #841.

* checking Rd files ... NOTE
checkRd: (-1) simulate-DualResponsesSamplesDesign-method.Rd:45: Lost braces
    45 | \item{trueNu}{(not with code{\linkS4class{EffFlexi}}) the precision, the inverse of the
       |                             ^
checkRd: (-1) simulate-DualResponsesSamplesDesign-method.Rd:48: Lost braces
    48 | \item{trueSigma2}{(only with code{\linkS4class{EffFlexi}}) the true variance of the efficacy
       |                                  ^
checkRd: (-1) simulate-DualResponsesSamplesDesign-method.Rd:51: Lost braces
    51 | \item{trueSigma2betaW}{(only with code{\linkS4class{EffFlexi}}) the true variance for the
       |                                       ^

also

* checking Rd metadata ... NOTE
Invalid package aliases in Rd file 'crmPack-package.Rd':
  '-package'

and

Error(s) in re-building vignettes:
--- re-building 'crmPack-jss-paper.Rmd' using rmarkdown
Warning: The label(s) fig:doseRecommendation not found
--- finished re-building 'crmPack-jss-paper.Rmd'