Merge branch 'carine_dev' into 'master'

update contributing

See merge request can/R_basis!4

CONTRIBUTING.md

@@ -8,9 +8,7 @@
 
 ## Supplementary exercices
 - Add summary of all code used in the session at the end of the sesssion
-- Write the session_1/bioconductor.Rmd training (and add link in session_1.Rmd)
-- Write the session_1/github.Rmd training (and add link in session_1.Rmd)
 - Write the WDI.Rmd training which will be for a later session
 - Write tuto to create IFB accout and launch Rstudio server
 - Write session_2/exel.Rmd to load an exel version of the mpg data
-- Write session_2/ggannimate.Rmd https://exts.ggplot2.tidyverse.org/gallery/ or another example of ggplot2 addons
+- Write session_2/ggannimate.Rmd https://exts.ggplot2.tidyverse.org/gallery/ or another example of ggplot2 addons and cowplot (https://wilkelab.org/cowplot/articles/introduction.html)
\ No newline at end of file

session_1/session_1.Rmd

@@ -695,8 +695,8 @@ In R those apps are called **packages**.
 There are different sources to get packages from:
 
 - The [CRAN](https://cran.r-project.org/) which is the default source
-- [Bioconducor](http://www.bioconductor.org) which is another source specialized for biology packages
-- Directly from [github](https://github.com/)
+- [Bioconducor](http://www.bioconductor.org) which is another source specialized for biology packages (more information [here](./bioconductor.html))
+- Directly from [github](https://github.com/)(more information [here](./github.html))
 
 To install packages from [Bioconducor](http://www.bioconductor.org) and [github](https://github.com/) you will need to install specific packages from the [CRAN](https://cran.r-project.org/).