Merge branch 'main' of github.com:rpatin/musica.tools

# Conflicts:
#	DESCRIPTION
#	R/plot.R
#	man/ggplot_variable.Rd
#	vignettes/NEWS.Rmd

added check for out.type

Now compatible with single models

- improved aesthetics management
- automatic factor conversion for discrete aesthethics (<= 15 levels)
- no default aesthetics for fill/color/linetype/shape (done through shiny app)
- series of small bugfix
- fix to dygraphs functions

updated docs and namespace

- hide/show part of the app with shinyjs
- limited the use of renderUI
- attempt to simplify the app

added check function

- added density, histogram
- scatterplot can compare variables
- adjusted to update in getters
- more options

- default values for time_range
- default width/height in shiny app export
- adjusted date in dev_jerome export