Insertion of hyperlinks of packages references in documentation. This to compile with the the canonical form of CRAN

 architecture and check test passing without errors, warnings or notes    update of manual

 new function 'plot_biomarkers' that displays as boxplots the taxonomic entities and the associated biomarkers. The biomarker can be peptides, proteins, subgroups, groups

 skeleton of a new function, plot_biomarker, aiming to show the associated biomarkers of taxonomic entities

 refactoring of the function plot_dendocluster to set the colors of the dendogram a semi-automatic way

 add of documentation of the function  update of curated pipeline for intestinal microbiota analysis  R CMD ---as-cran PASSING

 modification of pie chart, implementation of geom_text_repel functionality to improve representaion

  change of export size in the function inpect_samlple_elements and plot_intensities