Installation.md

@@ -71,6 +71,11 @@ BiocManager::install("EBImage")
 BiocManager::install("aoles/RBioFormats")
 BiocManager::install("Rarr")
 ```
+and from its git repository: omeRarr.
+From within an R console, install with:
+```
+devtools::install_git('https://git.embl.de/heriche/omerarr')
+```
 
 * * *
 ## Launching the app