Creates a lightweight way to add markdown helpfiles to 'shiny' apps, using modal dialog boxes, with no need to observe each help button separately.
copied from cf-staging / r-shinyhelperconda install conda-forge::r-shinyhelper
conda install conda-forge/label/cf201901::r-shinyhelper
conda install conda-forge/label/cf202003::r-shinyhelper
conda install conda-forge/label/gcc7::r-shinyhelper