add missing image

README.md

@@ -4,8 +4,11 @@
 
 [Here](https://nhenry50.github.io/ANF-metabarcoding/courses/phyloseq.html), a brief introduction to `phyloseq`
 
-## Get the script and data
+## Dowload the practical in html
 
+Click [here](https://gitlab.sb-roscoff.fr/somlit-astan-metab/practicals/phyloseq/-/raw/main/practical/phyloseq.html?ref_type=heads&inline=false)
+
+## Get the repository
 
 On a Unix-like system you can run in a terminal the following commands to download and extract the zip archive of this repository: