fix ape link and add r-universe link

README.md

@@ -12,6 +12,8 @@ phangorn is a package for phylogenetic reconstruction and analysis in the R lang
 You can install
 - the latest released version `install.packages("phangorn")`
 - the latest development version `remotes::install_github("KlausVigo/phangorn")`
+- [r-universe](https://r-universe.dev/) kindly provides binaries for Windows, 
+Linux and OS X of the development version [here](https://klausvigo.r-universe.dev/phangorn#).
 
 To install the development version you may need to install the Biostrings and seqLogo package from bioconductor first:
 ```
@@ -20,7 +22,8 @@ if (!requireNamespace("BiocManager", quietly = TRUE))
 BiocManager::install(c("Biostrings", "seqLogo"))
 ```
 Also the development version usually depends on the latest ape development 
-version and information to download can be found  [here](http://ape-package.ird.fr/ape_installation.html). 
+version and information to download can be found 
+[here](https://emmanuelparadis.github.io/ape_installation.html). 
 Additionally you may need to install on windows [Rtools](https://cran.r-project.org/bin/windows/Rtools/) and on mac [XCode](https://developer.apple.com/xcode/)
 and [GFortran](https://gcc.gnu.org/wiki/GFortranBinaries).